| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5,5'-(1,4-亚苯基)二(1H-四唑) | 5,5'-(1,4-phenylene)bis(1H-tetrazole) | 6926-49-4 | C8H6N8 |
| 5,5'-(1,2-乙二基)二(3-苯基-1,2,4-恶二唑) | 5,5'-(1,2-ethanediyl)-bis<3-(phenyl)-1,2,4-oxadiazole> | 22020-64-0 | C18H14N4O2 |
| 5,5'(硫代二丙烷-3,1-二基)二[2,4-二氢-4-苯基-3H-1,2,4-三唑-3-硫酮] | 5,5'(Thiodipropane-3,1-diyl)bis[2,4-dihydro-4-phenyl-3H-1,2,4-triazole-3-thione] | 30843-83-5 | C22H24N6S3 |
| 5(吡啶-4-基)恶唑-2-胺 | 5-(Pyridin-4-yl)oxazol-2-amine | 1014629-83-4 | C8H7N3O |
| 5(4)-氨基咪唑-4(5)-羧胺二盐酸盐 | 5-amino-1(3)<i>H</i>-imidazole-4-carboxamide oxime; dihydrochloride | 65456-71-5 | C4H7N5O*2ClH |
| 5 -甲基- 1 -对甲苯基- 1H -吡唑 | 5-Methyl-1-p-tolyl-pyrazol | 828-87-5 | C11H12N2 |
| 5 -氨基- 1,3-二甲基-4 -腈-1H -吡唑 | 5-amino-4-cyano-1,3-dimethylpyrazole | 54820-92-7 | C6H8N4 |
| 5 -氨基- 1 -(4 -溴苯基)- 1H -吡唑-4-甲腈 | 5-amino-1-(4-bromophenyl)-1H-pyrazole-4-carbonitrile | 5334-28-1 | C10H7BrN4 |
| 5 -氨基- 1 -(3 -氟苯基)- 1H -吡唑-4-甲腈 | 5-amino-1-(3-fluorophenyl)-1H-pyrazole-4-carbonitrile | 51516-71-3 | C10H7FN4 |
| 5 -氨基- 1 -(2 -溴苯基)- 1H -吡唑-4-甲腈 | 5-amino-1-(2-bromo-phenyl)-1<i>H</i>-pyrazole-4-carbonitrile | 71856-54-7 | C10H7BrN4 |
| 5 - (溴甲基)-3 -甲基异恶唑 | 5-(bromomethyl)-3-methylisoxazole | 36958-61-9 | C5H6BrNO |
| 4氯-3-异丁基-1-甲基吡唑-5-甲酸乙酯 | 4-Chloro-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester | 128537-44-0 | C11H17ClN2O2 |
| 4’-(12,4-三恶唑-4-基)苯乙腈 | 4'-(1,2,4-triazol-4-yl)acetanilide | 154594-15-7 | C10H10N4O |
| 4‘-(1H-1,2,4-三唑基)苯酚 | 4-(1,2,4-triazol-1-yl)phenol | 68337-15-5 | C8H7N3O |
| 4SC-202(盐的形式) | (E)-N-(2-amino-phenyl)-3-{1-[4-(1-methyl-1H-pyrazol-4-yl)-benzenesulfonyl]-1H-pyrrol-3-yl}-acrylamide toluene-4-sulfonate | 1186222-89-8 | C7H8O3S*C23H21N5O3S |
| 4H-茚并[5,6-d][1,3]恶唑 | 4H-Indeno[5,6-d]oxazole | 17491-88-2 | C10H7NO |
| 4H-茚并[5,6-c][1,2]恶唑 | 4H-Indeno[5,6-C][1,2]oxazole | 28648-21-7 | C10H7NO |
| 4H-苯并咪唑 | 4H-benzimidazole | 36579-63-2 | C7H6N2 |
| 4H-噻喃-4-酮,3,5-二甲基- | 3,5-dimethyl-thiopyran-4-one | 18542-89-7 | C7H8OS |
| 4H-咪唑 | 1H-2,2,4-triazole | 288-30-2 | C3H4N2 |
| 4H-吲哚-4-酮,1,5,6,7-四氢-2,3-二甲基-5-[(1-丙炔-1-基氨基)甲基]- | Isoanantine | 50656-85-4 | C15H15N3O |
| 4H-吡唑并[1,5-c][1,3]噻唑-2-基甲醇 | (4H,6H-pyrazolo[1,5-c]thiazol-2-yl)methanol | 623564-67-0 | C6H8N2OS |
| 4H-吡唑[5,1-C][1,4] 6,7-二氢恶嗪-2-羧酸乙酯 | ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carboxylate | 623565-57-1 | C9H12N2O3 |
| 4H-吡唑-4-酮,3-乙基-5-甲基-,1,2-二氧化 | 2,3-Aid-mannuronic acid | 82975-15-3 | C10H14N2O6 |
| 4H-[1,3]二氧杂环戊并[4,5-e]苯并咪唑 | 2H,4H-[1,3]Dioxolo[4,5-e]benzimidazole | 104399-60-2 | C8H6N2O2 |
| 4H-[1,2,4]恶二唑并[4,5-a][1,2]恶唑并[4,5-E]嘧啶 | 4h-Isoxazolo[4,5-e][1,2,4]oxadiazolo[4,5-a]pyrimidine | 178472-32-7 | C6H4N4O2 |
| 4H-[1,2,4]恶二唑并[4,5-a][1,2]恶唑并[4,5-E]吡嗪 | 4H-Isoxazolo[4,5-e][1,2,4]oxadiazolo[4,5-a]pyrazine(9CI) | 178472-31-6 | C6H4N4O2 |
| 4H-1,2,4-噻唑-4-丙醇 | 3-(4H-1,2,4-triazol-4-yl)propan-1-ol | 27106-94-1 | C5H9N3O |
| 4H-1,2,4-噻唑-3,4-二胺 | 3,4-diamino-1,2,4-triazole | 38104-45-9 | C2H5N5 |
| 4H-1,2,4-噻唑-3,4,5-三胺 | 3,4,5-Triamino-4H-1,2,4-triazole | 473-96-1 | C2H6N6 |
| 4H-1,2,4-三氮唑,3,4-二甲基-(8CI,9CI) | 3,4-dimethyl-1,2,4-triazole | 16778-74-8 | C4H7N3 |
| 4H-1,2,4-三唑-4-胺 | 4-amino-1,2,4-triazol-1-ium chloride | 25545-88-4 | C2H4N4*ClH |
| 4H-1,2,4-三唑-3-胺,N,4-二(3-氯苯基)-5-苯基- | 3-<m-Chloranilino>-4-<m-chlorphenyl>-5-phenyl-1,2,4-4H-triazol | 15129-17-6 | C20H14Cl2N4 |
| 4H-1,2,4-三唑-3-羧酸 | methyl 4-methyl-4H-1,2,4-triazole-3-carboxylate | 68984-31-6 | C5H7N3O2 |
| 4H-1,2,4-三唑-3,4-二胺氢溴酸盐 | 3,4-diamino-1,2,4-triazole hydrobromide | 23160-99-8 | BrH*C2H5N5 |
| 4H,9H-吡咯并[1,2-a][1,2,3]三唑并[1,5-D]吡嗪-9-酮 | 8-oxopyrrolo[1,2-d][1,2,3]triazolo[5,1-a]pyrazine | 749926-22-5 | C8H6N4O |
| 4H,9H-二吡唑并[1,5-a:1,5-d]吡嗪-4,9-二醇 | pyrazole-3-carbaldehyde dimer | 400079-96-1 | C8H8N4O2 |
| 4H,5H,6H-环戊二烯并[D][1,3]噻唑 | 5,6-dihydro-4<i>H</i>-cyclopentathiazole | 5661-10-9 | C6H7NS |
| 4-(氯甲基)-5-甲基异恶唑-3-羧酸乙酯 | ethyl 4-(chloromethyl)-5-methylisoxazole-3-carboxylate | 886498-32-4 | C8H10ClNO3 |
| 4-(4-甲氧基苯基)-2-甲基噻唑-5-羧酸乙酯 | Ethyl 4-(4-methoxyphenyl)-2-methylthiazole-5-carboxylate | 887590-01-4 | C14H15NO3S |
| 4-(2-吡啶基)-噻唑-2-羧酸 | 4-(pyridin-2-yl)thiazole-2-carboxylic acid | 59020-45-0 | C9H6N2O2S |
| 4-(1H-吡唑-4-基)苯甲酸 | 4-(1H-pyrazol-4-yl)benzoic acid | 1017794-47-6 | C10H8N2O2 |
| 4-间甲苯基-噻唑-2-胺 | 4-(m-tolyl)thiazol-2-amine | 5330-67-6 | C10H10N2S |
| 4-金刚烷-1-甲基噻唑-2-胺 | 4-adamantan-1-ylmethyl-thiazol-2-ylamine | 28599-72-6 | C14H20N2S |
| 4-金刚烷-1-基-5-甲基噻唑-2-胺 | 4-Adamantan-1-yl-5-methyl-thiazol-2-ylamine | 201992-89-4 | C14H20N2S |
| 4-重氮基-4H-咪唑-5-甲酰胺 | 5-diazoimidazole-4-carboxamide | 7008-85-7 | C4H3N5O |
| 4-重氮咪唑 | 4-diazo-4H-imidazole | 89108-47-4 | C3H2N4 |
| 4-醛基-2-(甲醇)噻唑 | 2-(Hydroxymethyl)thiazole-4-carbaldehyde | 774239-03-1 | C5H5NO2S |
| 4-邻甲苯-噻唑-2-胺 | 4-(o-tolyl)thiazol-2-amine | 5330-79-0 | C10H10N2S |
| 4-辛基异恶唑-3-羧酸乙酯 | ethyl 4-octylisoxazole-3-carboxylate | 1332635-50-3 | C14H23NO3 |