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中文名称 英文名称 CAS号 化学式
4,4-二异氰酸酯二环己基甲烷 4,4'-bis(diisocyanato)dicyclohexylmethane 5124-30-1 C15H22N2O2
4,4-二乙酰基庚二腈 4,4-diacetyl pimelonitrile 5324-43-6 C11H14N2O2
4,4-二乙氧基哌啶 4,4-diethoxypiperidine 52534-66-4 C9H19NO2
4,4-二乙氧基偶氮苯 4,4'-diethoxyazoxybenzene 588-52-3 C16H18N2O2
4,4-二乙氧基-2-甲基丁-1-烯 4,4-diethoxy-2-methyl-1-butene 54340-95-3 C9H18O2
4,4-二乙氧基-2-(乙氧基亚甲基)-3-羰基-戊酸乙基酯 ethyl 4,4-diethoxy-2-(ethoxymethylene)-3-oxovalerate 56563-25-8 C14H24O6
4,4-二乙氧基-1-苯基丁-2-炔-1-酮 4,4-diethoxy-1-phenylbut-2-yn-1-one 53366-80-6 C14H16O3
4,4-二乙氧基-1-(二乙基氨基)戊烷 1-Diaethylamino-4,4-diaethoxypentan 54620-52-9 C13H29NO2
4,4-二乙基-庚二酸 4,4-diethyl-heptanedioic acid 51111-10-5 C11H20O4
4,4-二乙基-2-甲基-1,3-苯并噻嗪 4,4-diethyl-2-methyl-4<i>H</i>-benzo[<i>e</i>][1,3]thiazine 54474-67-8 C13H17NS
4,4-二(4-氟苯基)丁烷-1-醇 4,4-bis(4-fluorophenyl)butan-1-ol 50337-85-4 C16H16F2O
4,4-(2,2-二甲基丙烷-1,1-二基)二苯酚 1,1-bis(4-hydroxyphenyl)-2,2-dimethylpropane 52173-65-6 C17H20O2
4,4,8-三甲基三环[6.3.1.02,5]十二烷-1-基甲酸酯 Caryophyllene formate 58096-46-1 C16H26O2
4,4,6-三甲基-3,4-二氢嘧啶-2(1H)-硫酮 3,4-dihydro-4,4,6-trimethylpyrimidine-2(1H)-thione 5392-23-4 C7H12N2S
4,4,6-三甲基-2-辛基-1,3-二恶烷 4,4,6-Trimethyl-2-octyl-1,3-dioxane 5452-12-0 C15H30O2
4,4,6-三甲基-2,3-二氢-2-硫代-1(4H)-嘧啶乙醇 1-(2-Hydroxy-aethyl)-4,4,6-trimethyl-dihydro-pyrimidin-2-thion 5339-75-3 C9H16N2OS
4,4,6,6-四甲基环己烷-1,2,3-三酮 4,4,6,6-tetramethylcyclohexane-1,2,3-trione 57744-39-5 C10H14O3
4,4,5,5-四甲基-1,3-二氧戊环 Ethyl 1-[1-(3-chlorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate 5660-63-9 C18H21ClN2O4
4,4,5,5-四氯-2-苯基-1,2-噻唑烷-3-酮 2-Phenyl-4.4.5.5-tetrachlorisothiazolidin-3-on 54415-04-2 C9H5Cl4NOS
4,4,5,5-四氯-2-甲基-1,2-噻唑烷-3-酮 2-Methyl-4.4.5.5-tetrachlor-isothiazolidin-3-on 54414-97-0 C4H3Cl4NOS
4,4,5,5-四氟-1-苯基戊烷-1,3-二酮 4,4,5,5-tetrafluoro-1-phenylpentane-1,3-dione 59857-67-9 C11H8F4O2
4,4,5,5,6,6-七氟-1-(2-噻吩基)-1,3-己二酮 4,4,5,5,6,6,6-heptafluoro-1-(2-thienyl)hexane-1,2-dione 559-94-4 C10H5F7O2S
4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,11-十六氟-2-羟基-10-(三氟甲基)十一烷基磷酸二氢酯 4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,11-Hexadecafluoro-2-hydroxy-10-(trifluoromethyl)undecyl dihydrogen phosphate 54009-73-3 C12H8F19O5P
4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,15-二十五氟-2-碘十五烷-1-醇 beta-D-Ribofuranose, 1-(6-amino-9H-purin-9-yl)-1-deoxy-5-S-methyl-5-thio- 53458-28-9 C11H15N5O3S
4,4,5,5,6,6,6-七氟-1-苯基-1,3-己二酮 4,4,5,5,6,6,6-heptafluoro-1-phenyl-hexane-1,3-dione 53580-21-5 C12H7F7O2
4,4,5,5,6,6,6-七氟-1-(2-呋喃基)己烷-1,3-二酮 4,4,5,5,6,6,6-heptafluoro-1-(2-furyl)-1,3-hexanedione 595-26-6 C10H5F7O3
4,4,5,5,5-五氟-2-(三氟甲基)戊-1-烯-1,3-二酮 pentafluoropropionyl(trifluoromethyl)ketene 53352-88-8 C6F8O2
4,4,5,5,5-五氟-1-苯基戊-1-烯-3-醇 4,4,5,5,5-pentafluoro-1-phenyl-1-penten-3-ol 56184-56-6 C11H9F5O
4,4,4-次氮基三苯甲腈 4,4',4''-tricyanotriphenylamine 51545-36-9 C21H12N4
4,4,4-三甲氧基-1-丁烯 4,4,4-Trimethoxybut-1-ene 58070-27-2 C7H14O3
4,4,4-三氯-3-甲基丁-1-烯 4,4,4-trichloro-3-methyl-1-butene 57082-94-7 C5H7Cl3
4,4,4-三氯-2-(3,5-二氯苯基)丁烷-1,2-二醇 4,4,4-trichloro-2-(3,5-dichlorophenyl)-2-hydroxybutanol 56984-93-1 C10H9Cl5O2
4,4,4-三氟巴豆酰胺 (E)-4,4,4-trifluorocrotonamide 590-76-1 C4H4F3NO
4,4,4-三氟-3-甲基丁-2-烯-1-醇 4,4,4-Trifluoro-3-methylbut-2-en-1-ol 59867-95-7 C5H7F3O
4,4,4-三氟-2-甲基-1-(5-甲基呋喃-2-基)丁烷-1,3-二酮 4,4,4-trifluoro-2-methyl-1-(5-methyl-[2]furyl)-butane-1,3-dione 579-40-8 C10H9F3O3
4,4,4-三氟-1-(间甲苯)丁烷-1,3-二酮 4,4,4-trifluoro-1-(3-methylphenyl)butane-1,3-dione 53764-99-1 C11H9F3O2
4,4,4-三氟-1-(吡啶-3-基)-1,3-丁二酮 4,4,4-trifluoro-1-(pyridin-3-yl)butane-1,3-dione 582-73-0 C9H6F3NO2
4,4,4-三氟-1-(4-苯基苯基)丁烷-1,3-二酮 1-([1,1'-biphenyl]-4-yl)-4,4,4-trifluorobutane-1,3-dione 581-83-9 C16H11F3O2
4,4,4-三氟-1-(4-羟基苯基)丁烷-1,3-二酮 4,4,4-Trifluoro-1-(4-hydroxyphenyl)butane-1,3-dione 57965-22-7 C10H7F3O3
4,4,4-三氟-1-(4-氟苯基)丁烷-1,3-二酮 1-(4-fluorophenyl)-4,4,4-trifluoro-1,3-butanedione 582-65-0 C10H6F4O2
4,4,4-三氟-1-(3-甲氧基苯基)-1,3-丁二酮 4,4,4-trifluoro-1-(3-methoxyphenyl)butane-1,3-dione 57965-21-6 C11H9F3O3
4,4,4-三(三氟甲基)丁腈 5,5,5-Trifluor-4,4-bis-trifluormethyl-valeronitril 5634-47-9 C7H4F9N
4,4,14,14-四乙氧基-3,15-二氧杂-8,9,10-三硫杂-4,14-二硅杂十七烷 Bis-(3-triethoxysilylpropyl)trisulfid 56706-11-7 C18H42O6S3Si2
4,4'-(1-苄基-1H-1,2,4-三唑-3,5-二基)联吡啶 4,4'-(1-benzyl-1<i>H</i>-[1,2,4]triazole-3,5-diyl)-bis-pyridine 55391-37-2 C19H15N5
4,4'-苄氧基亚甲基二(N,N-二甲基苯胺) benzyloxy-bis-(4-dimethylamino-phenyl)-methane 53370-57-3 C24H28N2O
4,4'-联苯基二硼酸二(新戊二醇酯) 4,4'-bis(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-1,1'-biphenyl 5487-93-4 C22H28B2O4
4,4'-联苯二磺酸 4,4'-biphenyldisulfonic acid 5314-37-4 C12H10O6S2
4,4'-联吡啶 1,4-bipyridine 553-26-4 C10H8N2
4,4'-磺酰基二(苯酚)二乙酸酯 4,4'-diacetoxydiphenylsulfone 5456-51-9 C16H14O6S
4,4'-硫代二丁酸二甲酯 5-thia-nonanedioic acid dimethyl ester 50354-51-3 C10H18O4S