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2,4-二氨基甲苯 | 95-80-7

中文名称
2,4-二氨基甲苯
中文别名
甲苯-2,4-二胺;2.4-甲苯二胺;2,4-二氨基甲;2,4-二胺;4-甲基间苯二胺;间甲苯二胺;4-甲基-1,3-苯二胺;2,4-二胺基甲苯
英文名称
2,4-Diaminotoluene
英文别名
4-methylbenzene-1,3-diamine;2,4-toluenediamine;5-amino-o-toluidine;2,4-DAT
2,4-二氨基甲苯化学式
CAS
95-80-7;91696-44-5
化学式
C7H10N2
mdl
MFCD00007804
分子量
122.17
InChiKey
VOZKAJLKRJDJLL-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 熔点:
    97-99 °C(lit.)
  • 沸点:
    283-285 °C(lit.)
  • 密度:
    1.26 g/cm3 (20℃)
  • 闪点:
    149 °C
  • 溶解度:
    38克/升
  • 暴露限值:
    Carcinogenicity: Animal Sufficient Evidence (IARC); no TWA assigned (because it is a carcinogen, there should be no exposure to this compound).
  • LogP:
    0.074 at 20℃
  • 物理描述:
    2,4-toluenediamine appears as a colorless crystalline solid. Toxic by ingestion and inhalation. Irritates skin and eyes. Slightly soluble in water and neutrally buoyant in water. Decomposes with emission of toxic oxides of nitrogen at high temperatures. Used in making dyes.
  • 颜色/状态:
    Needles from water; crystals from alcohol
  • 蒸汽密度:
    Relative vapor density (air = 1): 4.2
  • 蒸汽压力:
    1.70X10-4 mm Hg at 25 °C
  • 大气OH速率常数:
    1.92e-10 cm3/molecule*sec
  • 稳定性/保质期:
    Readily becomes oxidized in neutral or alkaline soln to form dark products
  • 自燃温度:
    475 °C
  • 分解:
    When heated to decomposition it emits toxic fumes of nitrogen oxides.

计算性质

  • 辛醇/水分配系数(LogP):
    0.1
  • 重原子数:
    9
  • 可旋转键数:
    0
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.142
  • 拓扑面积:
    52
  • 氢给体数:
    2
  • 氢受体数:
    2

ADMET

代谢
在多种啮齿类动物中,主要的尿液代谢物是2,4-二氨基-5-羟基甲苯;也发现了N-乙酰化和葡萄糖醛酸苷结合物。在大鼠中,尿液中主要的未结合代谢物是4-乙酰氨基-2-氨基甲苯、2,4-二乙酰氨基甲苯和2,4-二乙酰氨基苯甲酸。
... In several rodent species the major urinary metabolite was 2,4-diamino-5-hydroxytoluene; n-acetyl & glucuronide conjugates were also found. In rats the major unconjugated metabolites in urine are 4-acetylamino-2-aminotoluene, 2,4-diacetylaminotoluene & 2,4-diacetylaminobenzoic acid.
来源:Hazardous Substances Data Bank (HSDB)
代谢
当2,4-甲苯二胺与来自不同物种的肝细胞质或仓鼠或家兔的各组织细胞质一起孵化时,选择性地在2,4-甲苯二胺的p-氨基团上发生了N-乙酰化,在o-氨基团上的程度较小。在仓鼠和家兔中,N-乙酰转移酶活性最高的是肝细胞质,其次是肾脏、肠道粘膜上皮和肺。仓鼠肝细胞质的活性最高,其次是豚鼠、家兔、小鼠和大鼠。仅通过人类肝细胞质形成了2,4-甲苯二胺的N-乙酰衍生物的微量。
When 2,4-tolylenediamine was incubated with liver cytosol from various species, or cytosol from various tissues of hamster or rabbit ... n-acetylation occurred selectively at the p-amino group of 2,4-tolylenediamine & to a smaller extent at the o-amino group. In hamsters & rabbits, the highest n-acetyltransferase activity was present in cytosol of liver, followed by that from kidneys, mucosal epithelium of intestine, & lungs. Hamster-liver cytosol had the greatest activity, followed by ... guinea pigs, rabbits, mice & rats. Only a trace of an n-acetyl derivative of 2,4-tolylenediamine was formed thru ... human liver cytosol ... .
来源:Hazardous Substances Data Bank (HSDB)
代谢
2,4-异构体通过肝细胞质中的p-氨基团被选择性地N-乙酰化,该细胞质来自仓鼠、豚鼠、家兔、小鼠和大鼠。研究了来自仓鼠和家兔的肝、肾、肠粘膜和肺的细胞质,使用2,4-DAT和4-乙酰氨基-2-氨基甲苯作为底物进行N-乙酰转移酶活性。所有组织在酶活性上显示出明显的物种差异。具有高N-乙酰转移酶水平的组织,如肝脏,可以产生4-乙酰氨基-2-氨基甲苯和2,4-二乙酰氨基甲苯。肝脏细胞质的N-乙酰化能力也存在性别差异。
... The 2,4-isomer was selectively N-acetylated at the p-amino group by liver cytosol prepared from hamsters, guinea-pigs, rabbits, mice, and rats. The cytosol from liver, kidney, intestinal mucosa, and lung of hamsters and rabbits was studied for N-acetyl transferase activity using 2,4-DAT and 4-acetylamino-2-amino-toluene as substrates. All tissues showed marked species differences in enzyme activity. Tissues with high N-acetyl transferase levels, such as liver, could produce both 4-acetylamino-2-aminotoluene and 2,4- diacetylaminotoluene. There were also sex differences in the N-acetylation capacity of the liver cytosol.
来源:Hazardous Substances Data Bank (HSDB)
代谢
在雄性大鼠中,单次注射2,4-DAT(77 mg/kg体重)后,24小时内以代谢物复合物的形式排出了剂量的69.4%,这表明存在自由和结合衍生物。确定的主要尿液代谢物是4-乙酰氨基-2-氨基甲苯、2,4-二乙酰氨基甲苯和4-乙酰氨基-2-氨基苯甲酸。在小鼠中,甲基氧化成苯甲酸是主要的反应,小鼠的主要尿液代谢物是4-乙酰氨基-2-氨基苯甲酸、4-乙酰氨基-2-氨基甲苯和2,4-二乙酰氨基苯甲酸。
After a single ip injection of 2,4-DAT (77 mg/kg body weight) in male rats, 69.4% of the dose was eliminated in the urine and feces after 24 hr as a complex mixture of metabolites, indicating both free and conjugated derivatives. The major urinary metabolites identified were 4-acetylamino-2-aminotoluene, 2,4- diacetylaminotoluene, and 4-acetylamino-2-aminobenzoic acid. In mice, oxidation of the methyl group to a benzoic acid was the major reaction and the major urinary metabolites in mice were 4- acetylamino-2-aminobenzoic, 4-acetylamino-2-aminotoluene, and 2,4- diacetylaminobenzoic acid.
来源:Hazardous Substances Data Bank (HSDB)
毒理性
  • 致癌性证据
没有关于人类的数据。有充分的证据表明对动物具有致癌性。总体评估:2B组:该物质可能对人类具有致癌性。
No data are available in humans. Sufficient evidence of carcinogenicity in animals. OVERALL EVALUATION: Group 2B: The agent is possibly carcinogenic to humans.
来源:Hazardous Substances Data Bank (HSDB)
毒理性
  • 致癌性证据
2,4-二氨基甲苯:合理预期为人类致癌物。
2,4-Diaminotoluene: reasonably anticipated to be a human carcinogen.
来源:Hazardous Substances Data Bank (HSDB)
毒理性
  • 致癌物分类
国际癌症研究机构致癌物:2,4-二氨基甲苯
IARC Carcinogenic Agent:2,4-Diaminotoluene
来源:International Agency for Research on Cancer (IARC)
毒理性
  • 致癌物分类
国际癌症研究机构(IARC)致癌物分类:2B组:可能对人类致癌
IARC Carcinogenic Classes:Group 2B: Possibly carcinogenic to humans
来源:International Agency for Research on Cancer (IARC)
毒理性
  • 致癌物分类
国际癌症研究机构专著:第16卷(1978年)一些芳香胺及其相关硝基化合物 - 染发剂、着色剂和杂项工业化学品
IARC Monographs:Volume 16: (1978) Some Aromatic Amines and Related Nitro Compounds – Hair Dyes, Colouring Agents and Miscellaneous Industrial Chemicals
来源:International Agency for Research on Cancer (IARC)
吸收、分配和排泄
当给雄性费舍尔大鼠腹腔注射(14)C-2,4-二氨基甲苯时,血液和血浆中的放射性在1小时达到最大值,并在7小时内迅速下降;5天后,98.6%已被排出(76.5%在尿液中,22.2%在粪便中)。
When (14)C-2,4-diaminotoluene was administered ip to male fisher rats, radioactivity in blood & plasma reached a maximum at 1 hr and decreased rapidly for 7 hr; 98.6% had been excreted after 5 days (76.5% in urine & 22.2% in feces).
来源:Hazardous Substances Data Bank (HSDB)
吸收、分配和排泄
在活体人类、猴子和小猪中测量了据报道存在于化妆品中的5种物质的皮肤渗透情况。记录的最大皮肤渗透是在猴子腹部皮肤上涂抹2,4-甲苯二胺,而最小的是在猴子腹部、人类腹侧前臂上涂抹2,4-二氨基苯甲醚以及在猴子腹侧前臂上涂抹对二氧杂环烷。... 粗略估计了在适当使用化妆品的条件下,可能通过人类皮肤吸收的量。
Skin penetration by 5 substances that have been reported to be present in cosmetics was measured in vivo in humans, monkeys, and swine. The greatest skin penetration was recorded with 2,4-toluenediamine applied to the abdominal skin of monkeys and the least with 2,4-diaminoanisole on the monkey abdomen and human ventral forearm and with p-dioxane on the monkey ventral forearm. ... Crude estimates were made of the amt that might be absorbed through human skin under appropriate conditions of cosmetics use.
来源:Hazardous Substances Data Bank (HSDB)
吸收、分配和排泄
皮肤渗透研究的结果与实验动物研究的结果相一致。在皮肤接触40分钟后,尿液排泄率在暴露后4到8小时达到最高。在24小时的皮肤接触期间,当测试物质溶于丙酮并涂抹在前臂皮肤上时,2,4-二氨基甲苯的吸收率最高(23.7%)。
The results of skin penetration studies correspond with those from experimental animal studies. After 40 min of dermal contact, the highest rate of urinary excretion occurred 4 - 8 hr after exposure. During 24 hr of dermal contact, the highest absorption of 2,4-diaminotoluene resulted when test material was dissolved in acetone and applied to the skin of the forearm (23.7%).
来源:Hazardous Substances Data Bank (HSDB)
吸收、分配和排泄
分布因不同物种而异。然而,数据显示,在大多数物种中,浓度最高的器官是肝脏、肾脏和肾上腺。胃肠道也观察到高浓度,而心脏、性腺、大脑和血液中的水平最低。已经证明2,4-异构体与肝脏和肾脏蛋白的绑定是剂量依赖性的。
Distribution varies with different species. However, data indicate that, in most species, the organs with the highest concentrations are the liver, kidneys, and adrenal glands. High concentrations are also observed in the gastrointestinal tract, while the lowest levels are found in the heart, gonads, brain, and blood. A dose-dependent binding of the 2,4-isomer to hepatic and renal proteins has been demonstrated.
来源:Hazardous Substances Data Bank (HSDB)

安全信息

  • TSCA:
    Yes
  • 危险等级:
    6.1(b)
  • 危险品标志:
    T
  • 安全说明:
    S45,S53,S61
  • 危险类别码:
    R36,R21,R43,R45,R51/53,R25
  • WGK Germany:
    3
  • 海关编码:
    29331990
  • 危险品运输编号:
    UN 1709 6.1/PG 3
  • RTECS号:
    XS9625000
  • 包装等级:
    III
  • 危险类别:
    6.1(b)

SDS

SDS:4d8320104e1b00e504a2bc129d467f83
查看

制备方法与用途

化学性质
无色针状晶体(由水重结晶)或棱柱状晶体(由乙醇重结晶),易溶于热水、乙醇及乙醚。

用途
用于制取TDI、硫化染料、碱性染料、分散染料及医药中间体,同时也是有机合成的中间体。具体应用包括生产甲苯二异氰酸酯以及染料如毛皮黑DB、硫化黄棕5G、硫化黄棕6G和硫化红棕B3R等。制成的染料能直接使皮毛和头发氧化成黑色。

生产方法
由对硝基甲苯用混酸进行硝化,得到2,4-二硝基甲苯,随后使用铁粉还原得粗品,再经浓缩、蒸馏得成品。原料消耗定额为:对硝基甲苯1600 kg/t、硫酸(98%)1616 kg/t、硝酸(98%)760 kg/t、铁粉(90%)2700 kg/t。

类别
有毒物品
毒性分级
高毒
急性毒性
腹腔-大鼠 LD50: 325 毫克/公斤;腹腔-小鼠 LD50: 480 毫克/公斤
刺激数据
皮肤-兔子 500 毫克/24小时 轻度;眼睛-兔子 100 毫克/24小时 中度
可燃性危险特性
明火可燃,高温分解产生有毒氮氧化物烟雾
储运特性
库房需通风、低温干燥,与氧化剂、食品添加剂及酸类分开存放

灭火剂
泡沫、雾状水、二氧化碳、砂土

上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量
  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量
    • 1
    • 2
    • 3

反应信息

  • 作为反应物:
    描述:
    2,4-二氨基甲苯 以40%的产率得到7-Amino-6-methyl-4-trifluoromethyl-2(1H)-quinolinone
    参考文献:
    名称:
    Bicyclic androgen and progesterone receptor modulator compounds and methods
    摘要:
    本发明涉及化合物、药物组合物和调节由AR和PR介导的过程的方法。更具体地,本发明涉及非甾体化合物和组合物,这些化合物和组合物是高亲和力、高特异性的AR和PR的激动剂、部分激动剂(即部分激活剂和/或组织特异性激活剂)和拮抗剂。还提供了制备这种化合物和药物组合物的方法,以及在其合成中使用的关键中间体。
    公开号:
    US06566372B1
  • 作为产物:
    描述:
    4-溴-2-甲基-5-硝基苯胺 在 palladium 10% on activated carbon 、 一水合肼 作用下, 以 甲醇 为溶剂, 反应 0.25h, 以97%的产率得到2,4-二氨基甲苯
    参考文献:
    名称:
    Selective Reduction of Halogenated Nitroarenes with Hydrazine Hydrate in the Presence of Pd/C
    摘要:
    A large variety of halogenated nitroarenes have been selectively reduced with hydrazine hydrate in the presence of Pd/C to give the corresponding (halogenated) anilines in good yield.
    DOI:
    10.1055/s-0033-1339025
  • 作为试剂:
    描述:
    甲基[4-(三氟甲氧基)苯基]氨基甲酸酯氯甲酸三氯甲酯2,4-二氨基甲苯 作用下, 以 甲苯 为溶剂, 反应 4.37h, 以95.6%的产率得到N-氯甲酰基-N-[4-(三氟甲氧基)苯基]氨基甲酸甲酯
    参考文献:
    名称:
    氯羰基[4-(三氟甲氧基)苯基]氨基甲酸甲酯的 制备方法
    摘要:
    本发明涉及一类药物中间体的制备方法,具体涉及农用杀虫剂茚虫威的中间体氯羰基[4-(三氟甲氧基)苯基]氨基甲酸甲酯的制备方法。本发明主要采用对三氟甲氧基苯胺、氯甲酸甲酯、2,4-甲苯二胺以及双光气反应制得。采用本发明,改变了现有技术中使用高危险原料的弊端,操作环境温和,明显缩短了反应周期,能耗明显降低,且降低了生产的成本,为制备高纯茚虫威奠定了良好的基础,大大优于现常用制备工艺。
    公开号:
    CN103910653B
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文献信息

  • Compositions for Treatment of Cystic Fibrosis and Other Chronic Diseases
    申请人:Vertex Pharmaceuticals Incorporated
    公开号:US20150231142A1
    公开(公告)日:2015-08-20
    The present invention relates to pharmaceutical compositions comprising an inhibitor of epithelial sodium channel activity in combination with at least one ABC Transporter modulator compound of Formula A, Formula B, Formula C, or Formula D. The invention also relates to pharmaceutical formulations thereof, and to methods of using such compositions in the treatment of CFTR mediated diseases, particularly cystic fibrosis using the pharmaceutical combination compositions.
    本发明涉及含有上皮钠通道活性抑制剂与至少一种ABC转运蛋白调节剂化合物(A式、B式、C式或D式)的药物组合物。该发明还涉及这些药物配方,以及使用这些组合物治疗CFTR介导的疾病,特别是囊性纤维化的方法。
  • METHOD FOR PRODUCING CIS- AND TRANS-ENRICHED MDACH
    申请人:BASF SE
    公开号:US20170260115A1
    公开(公告)日:2017-09-14
    A process for preparing trans-enriched MDACH, including: distilling an MDACH starting mixture in the presence of an auxiliary, which is an organic compound having a molar mass of 62 to 500 g/mol, a boiling point at least 5° C. above the boiling point of cis,cis-2,6-diamino-1-methylcyclohexane, and 2 to 4 functional groups, each of which is independently an alcohol group or a primary, secondary or tertiary amino group. The MDACH starting mixture includes 0 to 100% by weight of 2,4-MDACH and 0 to 100% by weight of 2,6-MDACH, based on the total amount of MDACH present in the MDACH starting mixture. The MDACH starting mixture includes both trans and cis isomers. Trans-enriched MDACH includes 0 to 100% by weight of 2,4-MDACH and 0 to 100% by weight of 2,6-MDACH, where the proportion of trans isomers in the mixture is higher than the proportion of trans isomers in the MDACH starting mixture.
    制备富含反式异构体MDACH的方法,包括:在辅助剂的存在下蒸馏MDACH起始混合物,所述辅助剂是一种有着62至500克/摩尔的摩尔质量、沸点至少比顺式、顺式-2,6-二氨基-1-甲基环己烷的沸点高出至少5摄氏度,并且具有2至4个官能团,每个官能团独立地是醇基团或一级、二级或三级氨基团的有机化合物。MDACH起始混合物包括以MDACH起始混合物中MDACH总量为基础的0至100%重量的2,4-MDACH和0至100%重量的2,6-MDACH。MDACH起始混合物包括反式和顺式异构体。富含反式异构体的MDACH包括以2,4-MDACH和2,6-MDACH的0至100%重量为基础,其中混合物中反式异构体的比例高于MDACH起始混合物中反式异构体的比例。
  • Highly chemoselective reduction of nitroarenes over non-noble metal nickel-molybdenum oxide catalysts
    作者:Haigen Huang、Xueguang Wang、Xu Li、Chenju Chen、Xiujing Zou、Weizhong Ding、Xionggang Lu
    DOI:10.1039/c6gc03141b
    日期:——
    Chemoselective reduction of nitroarenes is an important transformation for the production of arylamines, which are the primary intermediates in the synthesis of pharmaceuticals, agrochemicals and dyes. Heterogeneous non-noble metal nickel-molybdenum...
    硝基芳烃的化学选择性还原是生产芳胺的重要转变,芳胺是合成药物,农药和染料的主要中间体。非均质非贵金属镍钼合金
  • Copper-Based Intermetallic Electride Catalyst for Chemoselective Hydrogenation Reactions
    作者:Tian-Nan Ye、Yangfan Lu、Jiang Li、Takuya Nakao、Hongsheng Yang、Tomofumi Tada、Masaaki Kitano、Hideo Hosono
    DOI:10.1021/jacs.7b08252
    日期:2017.11.29
    The development of transition metal intermetallic compounds, in which active sites are incorporated in lattice frameworks, has great potential for modulating the local structure and the electronic properties of active sites, and enhancing the catalytic activity and stability. Here we report that a new copper-based intermetallic electride catalyst, LaCu0.67Si1.33, in which Cu sites activated by anionic
    过渡金属间化合物的开发,其中活性位点并入晶格骨架中,具有很大的潜力来调节活性位点的局部结构和电子性质,并增强催化活性和稳定性。在这里,我们报道了一种新型的铜基金属间电催化剂LaCu 0.67 Si 1.33,其中具有低功函的阴离子电子激活的Cu位原子原子地分散在晶格骨架中,并提供硝基芳烃的选择性加氢,其营业额高40倍以上频率(TOF高达5084 h –1),而不是经过深入研究的金属负载催化剂。利用同位素效应的动力学分析表明,氢键的裂解是决定速率的步骤。出乎意料的是,LaCu 0.67 Si 1.33的高载流子密度和低逸出功(LWF)特性使得能够以极低的活化能(E a = 14.8 kJ·mol –1)活化氢分子。此外,LaCu 0.67 Si 1.33的高氧亲合力可实现通过硝基优先吸附硝基芳烃表面,导致高化学选择性。本发明的有效催化剂可以进一步引发具有高活性的其他含氧官能团例如醛和酮的氢化
  • [EN] NEW CATIONIC DYES, KITS AND COMPOSITIONS THEREOF, AND PROCESS FOR DYEING KERATIN FIBERS<br/>[FR] NOUVEAUX COLORANTS CATIONIQUES, KITS ET COMPOSITIONS LES CONTENANT, ET PROCÉDÉ DE TEINTURE DE FIBRES KÉRATINIQUES
    申请人:ALFA PARF GROUP S P A
    公开号:WO2014202150A1
    公开(公告)日:2014-12-24
    The present invention relates to new cationic dyes of general formula (I) and (II): The invention also relates to kits and compositions for dyeing keratin fibers, which contain at least one of these dyes as well as to a process for dyeing keratin fibers using at least one of these dyes.
    本发明涉及一般式(I)和(II)的新阳离子染料:该发明还涉及用于染色角蛋白纤维的套件和组合物,其中至少含有这些染料之一,以及使用至少一种这些染料染色角蛋白纤维的方法。
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表征谱图

  • 氢谱
    1HNMR
  • 质谱
    MS
  • 碳谱
    13CNMR
  • 红外
    IR
  • 拉曼
    Raman
hnmr
mass
cnmr
ir
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  • 峰位数据
  • 峰位匹配
  • 表征信息
Shift(ppm)
Intensity
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Assign
Shift(ppm)
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测试频率
样品用量
溶剂
溶剂用量
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