| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 3,4-二甲基-5-氧代-4,5-二氢-1H-吡唑-1-羧酸 | 3,4-Dimethyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carboxylic acid | 861383-10-0 | C6H8N2O3 |
| 3,4-二甲基-5-氧代-2,5-二氢-1H-吡唑-1-甲酰胺 | 3,4-dimethyl-5-oxo-2,5-dihydro-pyrazole-1-carboxylic acid amide | 857220-41-8 | C6H9N3O2 |
| 3,4-二甲基-5-吡唑啉酮 | 3,4-dimethyl-4-chloro-2-pyrazolin-5-one | 6628-22-4 | C5H8N2O |
| 3,4-二甲基-1-苯基-1H-吡唑-5(4h)-酮 | 3,4-dimethyl-1-phenyl-pyrazolin-5-one | 17900-68-4 | C11H12N2O |
| 3,4-二氨基-5-羟基吡唑硫酸盐 | 3,4-diamino-1H-pyrazol-5-ol | 52057-97-3 | C3H6N4O |
| 3,4,5-三甲基-4,5-二氢-1H-吡唑 | 3,4,5-Trimethyl-Δ<sup>2</sup>-pyrazolin | 22591-95-3 | C6H12N2 |
| 3,4,4-三甲基-5-亚甲基-4,5-二氢-1H-吡唑-1-甲醛 | 3,4,4-Trimethyl-5-methylene-4,5-dihydro-pyrazole-1-carbaldehyde | 115174-62-4 | C8H12N2O |
| 3,3-二甲基-5-氧代-3,5-二氢-4H-1,2,4-三唑-4-甲酰胺 | 4-Aminocarbonyl-5,5-dimethyl-Δ<sup>1</sup>-1,2,4-triazolin-3-one | 119493-09-3 | C5H8N4O2 |
| 3,3,5-三甲基-2,4-二氢吡唑 | 3,5,5-Trimethylpyrazolin | 3975-85-7 | C6H12N2 |
| 3,3'-苯-1,4-二基二(5-甲亚基-2-硫代-1,3-噻唑烷-4-酮) | 2,4-dihydro-4,4,5-trimethyl-3H-pyrazole-3-thione | 81991-00-6 | C6H10N2S |
| 2H-咪唑-2-硫酮,1,3-二氢-1-(3-苯基丁基)- | 1-(3-Phenyl-butyl)-1,3-dihydro-imidazole-2-thione | 104489-53-4 | C13H16N2S |
| 2H-吡咯并[3,4-d][1,3]噻唑 | 2H-Pyrrolo[3,4-D]thiazole | 72332-80-0 | C5H4N2S |
| 2H-[1,3]噻唑并[4,5-d][1,3]二氮杂卓 | 2H-[1,3]Thiazolo[4,5-d][1,3]diazepine | 150950-33-7 | C6H5N3S |
| 2-苯基-5-丙基-2,4-二氢-3H-吡唑-3-酮 | 1-phenyl-3-propyl-4,5-dihydro-1H-pyrazol-5-one | 29211-43-6 | C12H14N2O |
| 2-苄基-4-甲基-1H-吡唑-5-酮 | 1-benzyl-4-methyl-1,2-dihydro-pyrazol-3-one | 53409-18-0 | C11H12N2O |
| 2-苄基-1,5-二甲基-1,2-二氢吡唑-3-酮 | 1-Benzyl-2,3-dimethyl-5-pyrazolon | 28022-67-5 | C12H14N2O |
| 2-肼基-1,3-噻唑-4-酮 | 2-hydrazinothiazol-4(5H)-one | 32003-36-4 | C3H5N3OS |
| 2-羟甲基-2,7-二甲基-5-苯基-1-氧杂-5,6-二氮杂-螺[2.4]庚-6-烯-4-酮 | 2-(Hydroxymethyl)-2,7-dimethyl-5-phenyl-1-oxa-5,6-diazaspiro[2.4]hept-6-en-4-one | 111751-07-6 | C13H14N2O3 |
| 2-硫杂氮醇胺,5-[2-(二甲氨基)亚乙基]-4,5-二氢-N,N-二甲基- | N,N-dimetil-2-(2-dimetilamino-2-tiazolin-5-iliden)etilamina | 105773-94-2 | C9H17N3S |
| 2-硫杂氮醇胺,5-[2-(二甲氨基)亚乙基]-4,5-二氢- | 5-(2-dimethylamino-ethylidene)-4,5-dihydro-thiazol-2-ylamine | 105774-00-3 | C7H13N3S |
| 2-硝基亚氨基噻唑烷 | 2-nitroiminothiazolidine | —— | C3H5N3O2S |
| 2-甲硫基噻唑啉氢碘酸盐 | 2-methylsulfanyl-4,5-dihydrothiazoline hydroiodide | 40836-94-0 | C4H7NS2*HI |
| 2-甲硫基-2-咪唑啉 | 2-methylthio-2-imidazoline hydroiodide | 5464-11-9 | C4H8N2S*HI |
| 2-甲氧基咪唑啉-D4 | 4,5-Dihydro-2-methoxy-1H-imidazole-4,5-d4 | 402788-68-5 | C4H8N2O |
| 2-甲氧基咪唑啉 | 2-methoxyimidazoline | 28118-54-9 | C4H8N2O |
| 2-甲氧基-4,5-二氢-噻唑 | 2-methoxy-4,5-dihydro-thiazole | 55545-17-0 | C4H7NOS |
| 2-甲基-N-(5-氧代-1-苯基-4H-吡唑-3-基)丙-2-烯酰胺 | 1-Phenyl-3-methacrylamido-5-pyrazolon | 3331-54-2 | C13H13N3O2 |
| 2-甲基-4-羟基-4-异丙基-4,5-二氢噻唑 | 2-methyl-4-hydroxy-4-isopropyl-4,5-dihydrothiazole | 32272-41-6 | C7H13NOS |
| 2-甲基-4-乙基噻唑啉 | 4-ethyl-2-methylthiazoline | 4293-61-2 | C6H11NS |
| 2-甲基-3,5-二噻吩-2-基-3,4-二氢吡唑 | 1-Methyl-3,5-di(thiophen-2-yl)-4,5-dihydro-1H-pyrazole | 89144-86-5 | C12H12N2S2 |
| 2-甲基-3(2H)-吡唑酮 | 2-methyl-1H-pyrazol-3-one | 3310-35-8 | C4H6N2O |
| 2-甲基-2-恶唑啉 | 2-methyl-4,5-dihydro-1,3-oxazole | 1120-64-5 | C4H7NO |
| 2-甲基-2-噻唑啉 | 2-methyl-4,5-dihydro-thiazole | 2346-00-1 | C4H7NS |
| 2-甲基-2-丙基[4-(羟基甲基)-4,5-二氢-1,3-噻唑-2-基]氨基甲酸酯 | tert-butyl N-[(4RS)-4-hydroxymethyl-4,5-dihydrothiazol-2-yl]carbamate | 380149-39-3 | C9H16N2O3S |
| 2-甲基-2-丙基[4-(4,5-二氢-1,3-噻唑-2-基氨基)丁基]氨基甲酸酯 | 4,5-dihydro-2-(4-(1,1-dimethylethoxycarbonylamino)butylamino)thiazole | 250663-42-4 | C12H23N3O2S |
| 2-甲基-2-丙基(4-氧代-4,5-二氢-1,3-噻唑-2-基)氨基甲酸酯 | tert-butyl (4-oxo-4,5-dihydrothiazol-2-yl)carbamate | 879324-03-5 | C8H12N2O3S |
| 2-甲基-2,5-二氢-1,3-噻唑-4-羧酸 | 2-Methyl-2,5-dihydro-1,3-thiazole-4-carboxylic acid | 707537-41-5 | C5H7NO2S |
| 2-甲基-2,5-二氢-1,3-噻唑 | 2-Methyl-thiazolin-Δ<sup>3</sup> | 66867-06-9 | C4H7NS |
| 2-环己基氨基噻唑-4-酮 | 2-cyclohexylimino-4-thiazolidinone | 27052-19-3 | C9H14N2OS |
| 2-环己基-2-恶唑啉 | 2-Cyclohexyl-Δ<sup>2</sup>-oxazolin | 10431-83-1 | C9H15NO |
| 2-环己基-2,4-二氢-5-甲基-3H-吡唑-3-酮 | 2-cyclohexyl-5-methyl-2,4-dihydro-pyrazol-3-one | 36210-76-1 | C10H16N2O |
| 2-环己基-1,5-二甲基-1H-吡唑-3-(2H)-酮 | 2-cyclohexyl-1,5-dimethyl-1H-pyrazol-3(2H)-one | 69121-56-8 | C11H18N2O |
| 2-环己-2-烯-1-基-4,4-二甲基吡唑-3-酮 | 2-(Cyclohex-2-en-1-yl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one | 17694-06-3 | C11H16N2O |
| 2-氯-N-(4,5-二氢-1,3-噻唑-2-基)乙酰胺 | 2-chloro-N-(4,5-dihydrothiazol-2-yl)acetamide | 80650-47-1 | C5H7ClN2OS |
| 2-氯-N-(4,5-二氢-1,3-噻唑-2-基)丙酰胺 | 2-Chloro-N-(4,5-dihydro-1,3-thiazol-2-YL)propanamide | 438479-68-6 | C6H9ClN2OS |
| 2-氯-4,5-二氢-1H-咪唑 | 2-chloro-4,5-dihydro-1H-imidazole | 54255-11-7 | C3H5ClN2 |
| 2-氯-1-(4,4-二甲基-4,5-二氢-1,3-恶唑-2-基)-1-丙酮 | 2-Chloro-1-(4,4-dimethyl-4,5-dihydro-oxazol-2-yl)-propan-1-one | 134254-65-2 | C8H12ClNO2 |
| 2-氯-1,3-二甲基氯化咪唑啉 | 2-chloro-1,3-dimethylimidazolinium chloride | 37091-73-9 | C5H10ClN2*Cl |
| 2-氯-1,3-二甲基咪唑鎓四氟硼酸盐 | 2-Chloro-1,3-dimethylimidazolidinium tetrafluoroborate | 153433-26-2 | C5H10BClF4N2 |
| 2-氯-1,3-二甲基咪唑六氟磷酸盐 | 2-Chloro-1,3-dimethylimidazolinium Hexafluorophosphate | 101385-69-7 | C5H10ClF6N2P |