| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5-仲丁基-[1,3,4]噻二唑-2-胺 | 5-sec-butyl-[1,3,4]thiadiazol-2-ylamine | 62492-20-0 | C6H11N3S |
| 5-仲丁基-3-甲基异恶唑-4-羧酸 | 5-Sec-butyl-3-methyl-isoxazole-4-carboxylic acid | 1263378-15-9 | C9H13NO3 |
| 5-亚氨基-4-苯基-吡咯烷-2-酮 | 5-amino-4-phenyl-2,4-dihydro-[1,2,4]triazolidine-3-thione | 5373-68-2 | C8H8N4S |
| 5-亚氨基-4-甲基-4,5-二氢-1,3,4-噻二唑-2-磺酰胺 | 5-imino-4-methyl-2-sulfonamido-δ<sup>2</sup>-1,3,4-thiadiazoline | 86029-46-1 | C3H6N4O2S2 |
| 5-二甲氨基-3-甲基-1-苯基-1H-吡唑-4-甲醛 | 1-Phenyl-3-methyl-5-dimethylaminopyrazol-4-aldehyd | 5499-69-4 | C13H15N3O |
| 5-二氯甲基-1-甲基-4-硝基咪唑 | 5-dichloromethyl-1-methyl-4-nitroimidazole | 161091-88-9 | C5H5Cl2N3O2 |
| 5-二叔丁基膦-1′,3′,5′-三苯基-1′H-[1,4′]二吡唑 | 5-(di-tert-butylphosphino)-1′, 3′, 5′-triphenyl-1′H-[1,4′]bipyrazole | 894086-00-1 | C32H35N4P |
| 5-二乙氧基甲基咪唑-4-羧酸甲酯 | methyl 5-(diethoxymethyl)-1H-imidazole-4-carboxylate | 85109-99-5 | C10H16N2O4 |
| 5-乙酰氨基-3-苯基咪唑-4-羧酸乙酯 | Ethyl 4-acetamido-1-phenyl-1H-imidazole-5-carboxylate | 83325-25-1 | C14H15N3O3 |
| 5-乙酰氨基-2-(4-甲氧基苄基)-2H-吡唑-3-羧酸 | 5-acetylamino-2-(4-methoxybenzyl)-2H-pyrazole-3-carboxylic acid | 650610-00-7 | C14H15N3O4 |
| 5-乙酰氨基-1-(4-氯苯基)-3-甲基吡唑 | 5-Acetamido-1-(4-chlorophenyl)-3-methylpyrazole | 105438-63-9 | C12H12ClN3O |
| 5-乙酰氧基甲基异恶唑3-羧酸 | 5-acetoxymethyl isoxazole 3-carboxylic acid | 139297-57-7 | C7H7NO5 |
| 5-乙酰基1H-吡唑-3-羧酸乙酯 | ethyl 5-acetyl-1H-pyrazole-3-carboxylate | 37622-89-2 | C8H10N2O3 |
| 5-乙酰基-4-氨基-异噻唑-3-羧酸酰胺 | 5-Acetyl-4-aminoisothiazol-3-carboxamid | 54968-75-1 | C6H7N3O2S |
| 5-乙酰基-3-甲基-1-苯基吡喃并[2,3-c]吡唑-4-酮 | 5-Acetyl-3-methyl-1-phenyl-1H-pyrano[2,3-c]pyrazol-4-one | 87100-91-2 | C15H12N2O3 |
| 5-乙酰基-2-苯基苯并恶唑 | 5-acetyl-2-phenylbenzoxazole | 100361-20-4 | C15H11NO2 |
| 5-乙酰基-2-甲基-4-噻唑羧酸乙酯 | ethyl 5-acetyl-2-methylthiazole-4-carboxylate | 175277-29-9 | C9H11NO3S |
| 5-乙酰基-2-甲基-2H-吡唑-3-羧酸乙酯 | ethyl 3-acetyl-1-methyl-1H-pyrazole-5-carboxylate | 1350475-31-8 | C9H12N2O3 |
| 5-乙酰基-2-氨基-4-甲基噻唑 | 5-acetyl-4-methylthiazole-2-amine | 30748-47-1 | C6H8N2OS |
| 5-乙酰基-1H-吡唑-3-羧酸甲酯 | methyl 3-acetyl-1H-pyrazole-5-carboxylate | 684236-66-6 | C7H8N2O3 |
| 5-乙酰基-1-苄基-2-甲基咪唑 | 5-acetyl-1-benzyl-2-methylimidazole | 103747-85-9 | C13H14N2O |
| 5-乙酰基-1-异丙基-2-甲基咪唑 | 1-(3-isopropyl-2-methyl-3H-imidazol-4-yl)-ethanone | 403793-48-6 | C9H14N2O |
| 5-乙酰基-1-(4-氯苯基)吡唑-4-羧酸乙酯 | 5-Acetyl-1-(4-chlorophenyl)-1H-pyrazole-4-carboxylic acid ethyl ester | 786727-28-4 | C14H13ClN2O3 |
| 5-乙酰-1H-吡唑-3-羧酸 | 3-acetyl-1H-pyrazole-5-carboxylic acid | 1297537-45-1 | C6H6N2O3 |
| 5-乙烯基-2-甲基-2H-四唑 | 2-methyl-5-vinyl-2<i>H</i>-tetrazole | 15284-39-6 | C4H6N4 |
| 5-乙烯基-1H-咪唑 | 5-vinylimidazole | 3718-04-5 | C5H6N2 |
| 5-乙烯基-1-甲基咪唑 | 1-methyl-5-vinyl-1H-imidazole | 56662-92-1 | C6H8N2 |
| 5-乙烯基-1-甲基-2-硝基咪唑 | 1-methyl-2-nitro-5-vinyl-1<i>H</i>-imidazole | 39070-08-1 | C6H7N3O2 |
| 5-乙烯基-1-甲基-1H-四唑 | 1-methyl-5-vinyltetrazole | 15284-40-9 | C4H6N4 |
| 5-乙烯基-1,3-噻唑-4-羧酸 | 5-Ethenyl-1,3-thiazole-4-carboxylic acid | 87764-55-4 | C6H5NO2S |
| 5-乙烯基-1,3-二苯基吡唑 | 1,3-diphenyl-5-vinyl-1H-pyrazole | 87995-98-0 | C17H14N2 |
| 5-乙烯基-1,2,4-噁二唑-3-羧酸乙酯 | Ethyl 5-vinyl-1,2,4-oxadiazole-3-carboxylate | 163719-78-6 | C7H8N2O3 |
| 5-乙炔基-4-羟基-1,3-恶唑-2(3H)-酮 | 5-Ethynyl-4-hydroxy-1,3-oxazol-2(3H)-one | 75610-96-7 | C5H3NO3 |
| 5-乙炔基-4-噻唑甲醇 | 5-ethynyl-4-hydroxymethylthiazole | 912639-70-4 | C6H5NOS |
| 5-乙炔基-3,3'-联-1,2-恶唑 | 5-ethynyl-[3,3']biisoxazolyl | 98556-63-9 | C8H4N2O2 |
| 5-乙炔基-1-甲基-1H-咪唑 | 5-ethynyl-1-methyl-1H-imidazole | 71759-92-7 | C6H6N2 |
| 5-乙炔基-1,3-噻唑-2-胺 | 2-amino-5-ethynylthiazole | 912639-82-8 | C5H4N2S |
| 5-乙炔基-1,3-噻唑-2-甲酰胺 | 2-carbamoyl-5-ethynylthiazole | 912639-81-7 | C6H4N2OS |
| 5-乙炔基-1,2-恶唑-3-羧酸 | 5-ethynylisoxazole-3-carboxylic acid | 89488-59-5 | C6H3NO3 |
| 5-乙炔噻唑 | 5-ethynylthiazole | 872122-41-3 | C5H3NS |
| 5-乙炔-2,4-二甲基噻唑 | 5-Ethynyl-2,4-dimethylthiazole | 868755-76-4 | C7H7NS |
| 5-乙氨基-1,3,4-噻二唑-2-硫醇 | 5-ethylamino-3<i>H</i>-[1,3,4]thiadiazole-2-thione | 55774-34-0 | C4H7N3S2 |
| 5-乙氧羰基-1-甲基-1-H吡唑-3-甲酸 | 1-methyl-1H-pyrazole-3,5-dicarboxylic acid 5-ethyl ester | 512809-16-4 | C8H10N2O4 |
| 5-乙氧基甲基-[1,3,4]噻二唑-2-胺 | 5-(ethoxymethyl)-2-amino-1,3,4-thiadiazole | 15884-88-5 | C5H9N3OS |
| 5-乙氧基-N-甲基-2-苯基-1,3-恶唑-4-甲酰胺 | 2-phenyl-4-<(N-methylamino)carbonyl>-5-ethoxyoxazole | 128242-89-7 | C13H14N2O3 |
| 5-乙氧基-N,2-二甲基-1,3-恶唑-4-硫代甲酰胺 | 2-methyl-4-<(N-methylamino)thiocarbonyl>-5-ethoxyoxazole | 128269-81-8 | C8H12N2O2S |
| 5-乙氧基-4-苯基-1,2-二氢-3H-吡唑-3-酮 | 5-Ethoxy-4-phenyl-1H-pyrazol-3-ol | 119350-26-4 | C11H12N2O2 |
| 5-乙氧基-3-甲基吡唑-1-羧酸乙酯 | 5-ethoxy-3-methyl-pyrazole-1-carboxylic acid ethyl ester | 90566-16-8 | C9H14N2O3 |
| 5-乙氧基-3-甲基-1-(2-甲基苯基)-1H-吡唑 | 5-ethoxy-3-methyl-1-(o-tolyl)-1H-pyrazole | 337534-00-6 | C13H16N2O |
| 5-乙氧基-2-苯基吲唑 | 5-Ethoxy-2-phenyl-2H-indazole | 120455-04-1 | C15H14N2O |