| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3-二甲基-1-丙基-1H-咪唑-3-鎓三[(三氟甲基)磺酰基]甲烷i去 | 1,2-Dimethyl-3-propylimidazolium tris(trifluoromethylsulfonyl)methide | 169051-77-8 | C12H15F9N2O6S3 |
| 2,3-二甲基-1-(4-硝基苯基)-3-吡唑啉-5-酮 | 1,2-dihydro-2,3-dimethyl-1-(4-nitrophenyl)pyrazol-5-one | 30672-30-1 | C11H11N3O3 |
| 2,3-二甲基-1-(4-甲基苯基)-3-吡唑-5-酮 | 1,2-dihydro-2,3-dimethyl-1-p-tolylpyrazol-5-one | 56430-08-1 | C12H14N2O |
| 2,3-二氢咪唑并[2,1-b][1,3]噻唑1-氧化物 | 2,3-Dihydroimidazo[2,1-b][1,3]thiazole 1-oxide | 136575-75-2 | C5H6N2OS |
| 2,3-二氢吡唑并[5,1-b]噻唑-6-羧酸 | 2,3-dihydroimidazol[1,2-b]thiazole-6-carboxylic acid | 1286754-48-0 | C6H6N2O2S |
| 2,3-二氢吡唑[5,1-B][1,3]恶唑-6-羧酸乙酯 | ethyl 2,3-dihydropyrazolo[5,1-b]oxazole-6-carboxylate | 623565-48-0 | C8H10N2O3 |
| 2,3-二氢化-2-硫代-4-噻唑乙酸 | (2-thioxo-2,3-dihydro-thiazol-4-yl)-acetic acid | 36365-79-4 | C5H5NO2S2 |
| 2,3-二氢-N-羟基-3-氧代-5-异恶唑甲酰胺 | 3-hydroxy-5-isoxazole hydroxamic acid | 62409-18-1 | C4H4N2O4 |
| 2,3-二氢-6-苯基咪唑并[2,1-b]噻唑单盐酸盐 | hydron;6-phenyl-2,3-dihydroimidazo[2,1-b][1,3]thiazole;chloride | —— | C11H11ClN2S |
| 2,3-二氢-5-硝基咪唑并(2,1-b)恶唑 | 2,3-dihydro-5-nitroimidazo<2,1-b>oxazole | 69542-88-7 | C5H5N3O3 |
| 2,3-二氢-5-甲基-3-氧代-4-异恶唑羧酸甲酯 | methyl 3-hydroxy-5-methyl-4-isoxazolecarboxylate | 67122-27-4 | C6H7NO4 |
| 2,3-二氢-5-甲基-2-氧代-1H-咪唑-4-羧酸 | 5-methyl-2,3-dihydro-2-oxo-1H-imidazole-4-carboxylic acid | 101184-09-2 | C5H6N2O3 |
| 2,3-二氢-5-(甲氧羰基)-2-硫代-1H-咪唑-4-乙酸甲酯 | methyl 2,3-dihydro-5-<(methoxycarbonyl)methyl>-2-thioxo-1H-imidazole-4-carboxylate | 92203-78-6 | C8H10N2O4S |
| 2,3-二氢-4-氨基-3-乙基-2-硫代-5-噻唑甲酰胺水合物 | 4-amino-5-aminocarbonyl-3-ethyl-2,3-dihydro-[1,3]thiazole-2-thione | 64686-81-3 | C6H9N3OS2 |
| 2,3-二氢-3-苯基-2-硫代-1H-咪唑-4-羧酸甲酯 | 3-phenyl-2-thioxo-2,3-dihydro-1<i>H</i>-imidazole-4-carboxylic acid methyl ester | 83763-09-1 | C11H10N2O2S |
| 2,3-二氢-3-苄基-2-硫代-1H-咪唑-4-羧酸甲酯 | methyl 1-benzyl-2-mercaptoimidazole-5-carboxylate | 76075-15-5 | C12H12N2O2S |
| 2,3-二氢-3-甲基-2-硫氧代-1H-咪唑-4-羧酸 | (2-mercapto-3-methylimidazol-4-yl)methanoic acid | 64038-57-9 | C5H6N2O2S |
| 2,3-二氢-3-氧代-4-异恶唑羧酸 | 3-Hydroxyisoxazole-4-carboxylic acid | 178316-78-4 | C4H3NO4 |
| 2,3-二氢-3-氧代-1,2,4-噻唑并[4,3-a]吡啶-8-羧酸 | 8-Carboxy-s-triazolo<4,3-a>pyridin-3(2H)on | 53975-72-7 | C7H5N3O3 |
| 2,3-二氢-2-硫代-4-噻唑乙酸乙酯 | 2-mercapto-4-ethoxycarbonylmethylthiazole | 38449-49-9 | C7H9NO2S2 |
| 2,3-二氢-2-氧代-5-苯基-1H-咪唑-4-羧酸 | 5-phenyl-2-oxo-4-imidazoline-4-carboxylic acid | 92809-77-3 | C10H8N2O3 |
| 2,3-二氢-2-氧代-5-噁唑羰酰氯(9ci) | 2-oxo-4-oxazoline-5-carbonyl chloride | 64843-26-1 | C4H2ClNO3 |
| 2,3-二氢-2-氧代-4-(三氟甲基)-5-噻唑羧酸 | 2,3-dihydro-2-oxo-4-(trifluoromethyl)-5-thiazolecarboxylic acid | 90745-58-7 | C5H2F3NO3S |
| 2,3-二氢-2-氧代-3-恶唑羧酸叔丁酯 | 3-tert-butoxycarbonyl-2-oxazolone | 75844-68-7 | C8H11NO4 |
| 2,3-二氢-2-氧代-1H-咪唑-4-羧酸异丁酯 | Isobutyl 2,3-dihydro-2-oxo-1H-imidazole-4-carboxylate | 93805-09-5 | C8H12N2O3 |
| 2,3-二氢-1H-咪唑并[1,2-b]吡唑 | 2,3-dihydro-1H-imidazo[1,2-b]pyrazole | 6714-29-0 | C5H7N3 |
| 2,3-二氢-1-甲基-3-氧代-1H-吡唑-4-羧酸乙酯 | ethyl 3-hydroxy-1-methyl-4-pyrazolecarboxylate | 103626-03-5 | C7H10N2O3 |
| 2,3-二氢-1-[3-(三氟甲基)苯基]-1H-吲唑-3-酮 | 1H-Indazole, 3-hydroxy-1-(alpha,alpha,alpha-trifluoro-m-tolyl)- | 21486-29-3 | C14H9F3N2O |
| 2,3-二氢-1,3,5-三亚氨基-1H,5h-吡唑并[1,2-a]-s-噻唑-6-羧酸 | 3-amino-1,5-diimino-1<i>H</i>,5<i>H</i>-pyrazolo[1,2-<i>a</i>][1,2,4]triazole-6-carboxylic acid | 121447-39-0 | C6H6N6O2 |
| 2,3-二(3-吲哚基甲基)吲哚 | 5-chloro-2-phenyl-1,2-dihydro-pyrazol-3-one | 71762-42-0 | C9H7ClN2O |
| 2,3,6,7-四苯基咪唑并[1,2-b][1,2,4]三嗪 | 2,3,6,7-tetraphenyl-imidazo[1,2-<i>b</i>][1,2,4]triazine | 70111-81-8 | C29H20N4 |
| 2,3,5-三苯基氯化四氮唑 | triphenyltetrazolium chloride | 298-96-4 | C19H15N4*Cl |
| 2,3,5-三苯基四唑溴盐 | 2,3,5-triphenyltetrazolium bromide | 1096-80-6 | Br*C19H15N4 |
| 2,3,5-三苯基-2H-四唑-3-鎓氯化物盐酸盐(1:1:1) | 2,3,5-triphenyltetrazolium chloride hydrochloride | 93919-46-1 | C19H15N4*ClH*Cl |
| 2,3,5-三(4-甲苯基)氯化四氮唑 | 2,3,5-tri-<i>p</i>-tolyl-tetrazolium; chloride | 103538-50-7 | C22H21N4*Cl |
| 2,3,4-三甲基-1,3-噻唑-3-碘 | 2,3,4-trimethylthiazol-3-ium iodide | 5787-82-6 | C6H10NS*I |
| 2,3,4-三甲基-1,2-恶唑-5-酮 | 2,3,4-trimethyl-isoxazol-5(2H)-one | 7713-68-0 | C6H9NO2 |
| 2,3,4,5-四氢-1H-1,4-苯并二氮卓-7-胺 | 5-amino-1-methyl-1H-pyrazole-4-carbothioamide | 956534-58-0 | C5H8N4S |
| 2,3,4,5-四(2-噻唑基)噻吩 | 2,3,4,5-tetra(2-thiazolyl)thiophene | 1443952-91-7 | C16H8N4S5 |
| 2,3,4,5,6-五氟-N-[2-(4-氟苯基)苯并三唑-5-基]苯甲酰胺 | 2,3,4,5,6-pentafluoro-N-[2-(4-fluorophenyl)benzotriazol-5-yl]benzamide | 6618-53-7 | C19H8F6N4O |
| 2,2′-双(4,5-二甲基咪唑) | 2,2'-bis(4,5-dimethylimidazole) | 69286-06-2 | C10H14N4 |
| 2,2’-二硫代双噻唑 | bis(thiazol-2-yl)disulfide | 20362-54-3 | C6H4N2S4 |
| 2,2-二硝基-2-(3-苯基-1,2,4-恶二唑-5-基)乙腈 | 2,2-dinitro-2-(3-phenyl-1,2,4-oxadiazol-5-yl)acetonitrile | 1064700-71-5 | C10H5N5O5 |
| 2,2-二甲基-N-(5-甲基-4-异恶唑基)丙酰胺 | 2,2-dimethyl-N-(5-methyl-4-isoxazolyl)propionamide | 103747-70-2 | C9H14N2O2 |
| 2,2-二甲基-N-(2-甲基-2-(4-硝基-1H-咪唑-1-基)丙基)丙-1-胺 | (2,2-dimethylpropyl)-[2-methyl-2-(4-nitroimidazol-1-yl)propyl]amine | 865774-15-8 | C12H22N4O2 |
| 2,2-二氯-N-[2-甲基-4-(2-甲基丙基)-1,3-恶唑-5-基]乙酰胺 | 2-methyl-4-benzyl-5-(dichloroacetamido)oxazole | 87783-74-2 | C10H14Cl2N2O2 |
| 2,2-二氯-N-(5-硝基-1,3-噻唑-2-基)乙酰胺 | 2-dichloracetamido-5-nitrothiazole | 86588-03-6 | C5H3Cl2N3O3S |
| 2,2-二(羟甲基)-1,3-丙二醇-2-乙基己酸酯 | 3-(4,5-diaminopyrazol-1-yl)propan-1-ol | 790652-93-6 | C6H12N4O |
| 2,2,2-三氯乙基(5-乙基-1,3-噻唑-2-基)氨基甲酸酯 | (5-ethyl-thiazol-2-yl)-carbamic acid 2,2,2-trichloroethyl ester | 908267-49-2 | C8H9Cl3N2O2S |
| 2,2,2-三氯乙基 3-叔丁基-1-(4-甲基苯基)-1H-吡唑-5-基氨基甲酸酯 | 2,2,2-trichloroethyl 3-tert-butyl-1-p-tolyl-1H-pyrazol-5-ylcarbamate | 317806-87-4 | C17H20Cl3N3O2 |