| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2-四氢吡喃酸 | tetrahydropyran-2-carboxylic acid | 51673-83-7 | C6H10O3 |
| 2-噻唑羧酸,4-[4-(三氟甲基)苯基]- | Calcium phenylglyoxylate | 52009-50-4 | C16H10CaO6 |
| 2-噻唑甲胺二盐酸盐 | 2-(Aminomethyl)thiazole Dihydrochloride | 53332-78-8 | C4H8Cl2N2S |
| 2-噻唑啉胺 | 2-aminodihydrothiazole | 50283-09-5 | C3H8N2S |
| 2-噻唑-2-哌啶 | 2-(piperidin-2-yl)thiazole | 526183-08-4 | C8H12N2S |
| 2-噻吩羧酸甲酯 | ethyl thiophene-2-carbimidate | 54610-47-8 | C7H9NOS |
| 2-噻吩羧酰胺 | 2-thiophenecarboxamidine | 54610-75-2 | C5H6N2S |
| 2-噻吩甲酸锂 | —— | 59753-16-1 | C5H4LiO2S |
| 2-噻吩甲酸丁酯 | butyl thiophene-2-carboxylate | 56053-84-0 | C9H12O2S |
| 2-噻吩甲酸 | 2-Thiophenecarboxylic acid | 527-72-0 | C5H4O2S |
| 2-噻吩甲酰胺 | 2-thiophenylcarboxamide | 5813-89-8 | C5H5NOS |
| 2-噻吩甲酰氯 | 2-Thiophenecarbonyl chloride | 5271-67-0 | C5H3ClOS |
| 2-噻吩基氯化汞 | 2-thienylmercury chloride | 5857-39-6 | C4H3ClHgS |
| 2-噻吩基乙酸钾 | Potassium 2-thienylacetate | 55864-55-6 | C6H5O2S*K |
| 2-噻吩基乙二醛 | oxo-thiophen-2-yl-acetaldehyde | 51445-63-7 | C6H4O2S |
| 2-噻吩乙醇 | 2-thiophenethanol | 5402-55-1 | C6H8OS |
| 2-噻吩乙酸乙酯 | ethyl thiophen-2-ylacetate | 57382-97-5 | C8H10O2S |
| 2-噻吩-2-基-2,3-二氢-1,3-苯并噻唑 | 2-<(thien-2-ylmethylene)amino>benzenethiol | 58567-93-4 | C11H9NS2 |
| 2-噻吩-2-基-1,3-苯并恶唑-5-胺 | 2-Thiophen-2-yl-benzooxazol-5-ylamine | 52331-74-5 | C11H8N2OS |
| 2-噻吩-2-吲哚嗪-3-甲醛 | 2-Thiophen-2-yl-indolizine-3-carbaldehyde | 558473-20-4 | C13H9NOS |
| 2-噻吩-2-吲哚 | 2-(2-thienyl)indole | 55968-16-6 | C12H9NS |
| 2-噻吩-2-吡嗪 | 2-(thiophen-2-yl)pyrazine | 56421-72-8 | C8H6N2S |
| 2-噻吩-2-乙脒酸 | <Then-2-yl>-essigsaeure-aethylester-imin | 57870-96-9 | C8H11NOS |
| 2-噁螺[4.4]壬烷-1,3-二酮 | 2-oxaspiro[4.4]nonane-1,3-dione | 5623-90-5 | C8H10O3 |
| 2-噁-6-氮杂螺[3.3]庚烷-6-乙胺 | 2-(2-oxa-6-azaspiro[3.3]heptane-6-yl)ethane-1-amine | 54384-40-6 | C7H14N2O |
| 2-嘧啶醇 | Azane;chloromethane;1,2-dichloroethane | 51952-69-3 | C3H10Cl3N |
| 2-嘧啶胺,4-(3-溴-2-噻嗯基)-6-甲基- | 4,5-Dimethyl-3,6-dihydroxyphthalaldehyd | 52643-54-6 | C10H10O4 |
| 2-嘧啶羧酸钠 | sodium pyrimidine-2-carboxylate | 562101-38-6 | C5H3N2O2*Na |
| 2-嘧啶乙腈 | 2-(pyrimidin-2-yl)acetonitrile | 59566-45-9 | C6H5N3 |
| 2-嘌呤-9-乙酸乙酯 | ethyl 2-(9H-purin-9-yl)acetate | 55175-34-3 | C9H10N4O2 |
| 2-喹喔啉甲酰胺 | quinoxaline-2-carboxamide | 5182-90-1 | C9H7N3O |
| 2-喹喔啉甲酰氯 | quinoxaline-2-carboxylic acid chloride | 54745-92-5 | C9H5ClN2O |
| 2-喹喔啉甲腈4-氧化物 | 2-Chinoxalin-carbonitril-4-oxid | 53688-02-1 | C9H5N3O |
| 2-喹啉羧酰胺 | quinoline-2-carboxamide | 5382-42-3 | C10H8N2O |
| 2-喹啉甲胺 | 2-aminomethylquinoline | 5760-20-3 | C10H10N2 |
| 2-喹啉-8-氧乙酸 | quinolin-8-yloxy-acetic acid | 5326-89-6 | C11H9NO3 |
| 2-喹啉-2-基-1-(3-三氟甲基苯基)乙醇 | 2-Quinolin-2-yl-1-(3-trifluoromethylphenyl)ethanol | 502625-52-7 | C18H14F3NO |
| 2-哌嗪酮,4-甲基-1-苯基- | Disodium 7-((4-aminobenzoyl)amino)-4-hydroxy-3-((3-methyl-4-((3-sulphonatophenyl)azo)phenyl)azo)naphthalene-2-sulphonate | 5979-32-8 | C30H22N6Na2O8S2 |
| 2-哌嗪酮 | 2-Ketopiperazine | 5625-67-2 | C4H8N2O |
| 2-哌嗪-1-甲基-1H-苯并咪唑 | 2-(piperazin-1-ylmethyl)-1H-benzo[d]imidazole | 59052-85-6 | C12H16N4 |
| 2-哌嗪-1-基-喹噁啉 | 1-(quinoxalin-2-yl)piperazine | 55686-91-4 | C12H14N4 |
| 2-哌嗪-1-基-1,3-苯并噻唑 | 2-piperazinobenzothiazole | 55745-83-0 | C11H13N3S |
| 2-哌嗪-1-乙酰胺 | 2-(piperazin-1-yl)acetamide | 55829-43-1 | C6H13N3O |
| 2-哌啶甲醇盐酸盐 | 2-hydroxymethylpiperidine hydrochloride | 56098-47-6 | C6H13NO*ClH |
| 2-哌啶嘧啶 | 2-(piperidine-1-yl)pyrimidine | 51957-36-9 | C9H13N3 |
| 2-哌啶-4-苯并噁唑 | 2-(piperidin-4-yl)benzo[d]oxazole | 51784-03-3 | C12H14N2O |
| 2-哌啶-4-基-3,4-二氢异喹啉-1-酮 | 2-piperidin-4-yl-3,4-dihydro-2<i>H</i>-isoquinolin-1-one | 59889-84-8 | C14H18N2O |
| 2-哌啶-2-基甲氧基-乙醇 | 2-piperidin-2-ylmethoxy-ethanol | 58669-15-1 | C8H17NO2 |
| 2-哌啶-2-基-1H-苯并咪唑 | 2-(piperidin-2-yl)-1H-benzo[d]imidazole | 51785-23-0 | C12H15N3 |
| 2-哌啶-1-丙胺 | 1-(2-aminoisopropyl)-piperidine | 54151-70-1 | C8H18N2 |