| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2-乙氧基-3a,5,6,6a-四氢-4,5,6-甲桥-4H-环戊恶唑 | 8-Ethoxy-7-oxa-9-azatetracyclo[4.3.0.02,4.03,5]non-8-ene | 72393-13-6 | C9H11NO2 |
| 2-乙氧基-2-噻唑啉-4-酮 | 2-ethoxy-2-thiazolin-4-one | 67309-77-7 | C5H7NO2S |
| 2-乙氧基-1-甲基-4,5-二氢咪唑 | N-Methyl-2-ethoxy-imidazolin | 61076-76-4 | C6H12N2O |
| 2-乙基硫代-2-咪唑啉氢碘酸酐 | 2-ethylsulfanyl-4,5-dihydro-1<i>H</i>-imidazole; hydriodide | 86240-40-6 | C5H10N2S*HI |
| 2-乙基-5-甲基-4H-吡唑-3-酮 | 2-ethyl-5-methyl-2,4-dihydro-3H-pyrazol-3-one | 19364-68-2 | C6H10N2O |
| 2-乙基-5-甲基-2,5-二氢-1,3-噻唑 | 2H,5H-5-methyl-2-ethylthiazole | 102169-64-2 | C6H11NS |
| 2-乙基-5-甲基-1,2-二氢-3H-吡唑-3-酮 | 2-ethyl-5-methyl-1,2-dihydro-pyrazol-3-one | 141762-99-4 | C6H10N2O |
| 2-乙基-4-甲基-2,5-二氢-噻唑 | 2-ethyl-4-methyl-3-thiazoline | 41803-21-8 | C6H11NS |
| 2-乙基-4-甲基-1-硫杂-3-氮杂-螺[4.5]癸-3-烯 | 2-ethyl-4-methyl-1-thia-3-aza-spiro[4.5]dec-3-ene | 105972-48-3 | C11H19NS |
| 2-乙基-4-异丙基-4,5-二氢-1,3-噻唑-4-醇 | 2-ethyl-4-isopropyl-4,5-dihydro-thiazol-4-ol | 32272-42-7 | C8H15NOS |
| 2-乙基-4,5-二甲基--3-噻唑啉 | 2-ethyl-4,5-dimethyl-2,5-dihydro-thiazole | 76788-46-0 | C7H13NS |
| 2-乙基-4,5-二氢噻唑 | 2-ethyl-2-thiazoline | 16982-46-0 | C5H9NS |
| 2-乙基-4,4-二甲基-2-唑啉 | 2-ethyl-4,4-dimethyl-4,5-dihydro-1,3-oxazole | 5146-88-3 | C7H13NO |
| 2-乙基-2-甲基-5H-1,3-噻唑 | 2-Methyl-2-aethyl-thiazolin-(3) | 66867-03-6 | C6H11NS |
| 2-乙基-2-唑啉 | 2-ethyl-4,5-dihydrooxazole | 10431-98-8 | C5H9NO |
| 2-乙基-2,5-二氢-1,3-噻唑 | 2-ethyl-2,5-dihydro-thiazole | 108284-82-8 | C5H9NS |
| 2-乙基-2,4,5-三甲基-5H-1,3-噻唑 | 2-ethyl-2,4,5-trimethyl-2,5-dihydro-thiazole | 2289-64-7 | C8H15NS |
| 2-丙酰基-2-噻唑啉 | 2-propionyl-2-thiazoline | 29926-42-9 | C6H9NOS |
| 2-丙烯基硫代-2-噻唑啉 | 2-[allylsulfanyl]-4,5-dihydro-1,3-thiazole | 3571-74-2 | C6H9NS2 |
| 2-丙基-2-唑啉 | 2-n-propyl-2-oxazoline | 4694-80-8 | C6H11NO |
| 2-丁烷-2-基-2,5-二氢-1,3-噻唑 | 2-sek-Butyl-Δ<sup>3</sup>-thiazolin | 39800-93-6 | C7H13NS |
| 2-丁基-5-甲基-2,4-二氢-3H-吡唑-3-酮 | 2-butyl-5-methyl-2,4-dihydro-3H-pyrazol-3-one | 65156-70-9 | C8H14N2O |
| 2-丁基-4,5-二氢-1,3-噻唑 | 2-butyl-4,5-dihydro-thiazole | 28221-34-3 | C7H13NS |
| 2-丁基-2-恶唑啉 | 2-(n-butyl)-2-oxazoline | 27031-10-3 | C7H13NO |
| 2-[4-(3-甲基-5-氧代-4H-吡唑-1-基)苯基]乙酸 | 5-metil-2-(4-carbossimetilfenil)-2,4-diidropirazol-3-one | 90614-52-1 | C12H12N2O3 |
| 2-[1-(羟甲基)乙基]唑啉 | 2-(4,5-dihydro-oxazol-2-yl)-propan-1-ol | 13670-31-0 | C6H11NO2 |
| 2-[(4S)-4-异丙基-4,5-二氢-1,3-恶唑-2-基]-2-丙醇 | (-)-(S)-2-(4-isopropyl-4,5-dihydrooxazol-2-yl)propan-2-ol | 155631-48-4 | C9H17NO2 |
| 2-[(4R)-4-异丙基-4,5-二氢-1,3-恶唑-2-基]-2-丙醇 | (R)-4,5-dihydro-α,α-dimethyl-4-isopropyloxazole-2-ethanol | 245503-15-5 | C9H17NO2 |
| 2-[(4-氯苯基)硫代]苯甲腈 | 2H-Pyrrolo[2,3-D]thiazole | 72332-79-7 | C5H4N2S |
| 2-[(4,5-二氢-2-噻唑基)硫基]乙酸甲酯 | (4,5-dihydro-thiazol-2-ylsulfanyl)-acetic acid methyl ester | 22623-64-9 | C6H9NO2S2 |
| 2-(甲硫基)-2-咪唑啉 | 2-methylthioimidazoline | 20112-79-2 | C4H8N2S |
| 2-(甲硫基)-1,3-噻唑-4(5H)-酮 | 2-methylsulfanyl-thiazol-4-one | 20949-66-0 | C4H5NOS2 |
| 2-(甲氧基甲基)-4,5-二氢-1,3-噻唑 | 2-methoxymethyl-4,5-dihydro-thiazole | 70349-07-4 | C5H9NOS |
| 2-(甲氧基亚氨基)咪唑烷 | 2-(methoxyimino)imidazolidine | 856429-20-4 | C4H9N3O |
| 2-(甲基硫代)-4,5-二氢-1H-咪唑氢溴酸 | 2-(methylthio)-4,5-dihydro-1H-imidazole hydrobromide | 40241-78-9 | BrH*C4H8N2S |
| 2-(甲基巯基)-2-噻唑啉 | 2-methylsulfanyl-4,5-dihydrothiazoline | 19975-56-5 | C4H7NS2 |
| 2-(环己基亚硝基氨基)-2-噻唑啉 | N-(thiazolin-2 yl-2) N-nitroso cyclohexylamine | 80672-60-2 | C9H15N3OS |
| 2-(氯甲基)-4,5-二氢-1,3-唑 | 2-Chlormethyl-Δ<sup>2</sup>-oxazolin | 13627-32-2 | C4H6ClNO |
| 2-(十七碳烯基)-2,3-二氢-1H-咪唑-1-乙基胺 | 1H-Imidazole-1-ethanamine, 2-(heptadecenyl)-2,3-dihydro- | 27476-93-3 | C22H43N3 |
| 2-(仲-丁基)-4,5-二氢噻唑 | 2-sec-Butyl-Δ<sup>2</sup>-thiazoline | 56367-27-2 | C7H13NS |
| 2-(二甲基氨基)-5-甲基-1,3-噻唑-4(5H)-酮 | 2-dimethylamino-5-methyl-thiazolin-4-one | 132354-25-7 | C6H10N2OS |
| 2-(二乙氨基)-1,3-噻唑-4-酮 | 2-diethylamino-thiazol-4-one | 1762-62-5 | C7H12N2OS |
| 2-(二乙氧基甲基)-2-噻唑啉 | 2-Diaethoxymethyl-Δ<sup>2</sup>-thiazolin | 90483-42-4 | C8H15NO2S |
| 2-(二乙基氨基)-1,3-二甲基咪唑啉鎓三甲基二氟硅酸盐 | 2-Diethylamino-1,3-diethylimidazolinium trimethyldifluorosilikonate | 479024-68-5 | C14H33F2N3Si |
| 2-(乙基硫代)-2-咪唑啉 | 2-(ethylthio)imidazoline | 7320-60-7 | C5H10N2S |
| 2-(丁硫基)-4,5-二氢噻唑 | 2-butylsulfanyl-4,5-dihydro-thiazole | 69390-14-3 | C7H13NS2 |
| 2-(8-十七碳烯基)-2-恶唑啉 | 2-(8-Heptadecenyl)-2-oxazoline | 131269-10-8 | C20H37NO |
| 2-(8,10-十七碳二烯基)-4,5-二氢-5-甲基恶唑 | 2-[(8E,10E)-heptadeca-8,10-dienyl]-5-methyl-4,5-dihydrooxazole | 7504-10-1 | C21H37NO |
| 2-(5-氧代-1-苯基-4H-吡唑-3-基)乙酸甲酯 | methyl 2-(5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)acetate | 24246-07-9 | C12H12N2O3 |
| 2-(5-氧代-1,2-二氢吡唑-3-基)乙酸乙酯 | ethyl 5-oxo-3-pyrazolineacetate | 88550-16-7 | C7H10N2O3 |