| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二氢-5-氧代-4-[(间甲苯基)偶氮]-1H-吡唑-3-羧酸 | 4,5-Dihydro-5-oxo-4-((m-tolyl)azo)-1H-pyrazole-3-carboxylic acid | 66256-72-2 | C11H10N4O3 |
| 4,5-二氢-5-氧代-4-[(3-膦酰苯基)偶氮]-1-(4-磺基苯基)-1H-吡唑-3-羧酸 | 4,5-Dihydro-5-oxo-4-((3-phosphonophenyl)azo)-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid | 77394-55-9 | C16H13N4O9PS |
| 4,5-二氢-5-氧代-1H-咪唑-2-羧酸 | 4-oxo-4,5-dihydro-3<i>H</i>-imidazole-2-carboxylic acid | 861293-24-5 | C4H4N2O3 |
| 4,5-二氢-5-氧代-1H-咪唑-2-磺酸 | 5-oxo-4,5-dihydro-1H-imidazole-2-sulfonic acid | 858511-41-8 | C3H4N2O4S |
| 4,5-二氢-5-氧代-1-(4-磺苯基)-4-[(4-磺苯基)偶氮]-1H-吡唑-3-羧酸与N,N'-双(混合苯基,甲苯基和二甲苯基)胍盐酸盐衍生物的反应产物 | guanidine;5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)diazenyl]-4H-pyrazole-3-carboxylic acid;hydrochloride | 71077-14-0 | C17H18ClN7O9S2 |
| 4,5-二氢-5-氧代-1-(4-磺基苯基)-4-((4-磺基苯基)偶氮)-1H-吡唑-3-羧酸,化合物与N,N-二(o-甲苯基)胍 | Einecs 300-120-6 | 93920-34-4 | C31H29N7O9S2 |
| 4,5-二氢-5-巯基-1,3,4-噻二唑-2-甲酰胺 | 5-mercapto-1,3,4-thiadiazole-2-carboxamide | 66709-83-9 | C3H3N3OS2 |
| 4,5-二氢-4-[[2-甲氧基-5-甲基-4-[[2-(磺基氧基)乙基]磺酰基]苯基]偶氮]-5-氧代-1-(4-磺基苯基)-1H-吡唑-3-羧酸 | 4,5-Dihydro-4-((2-methoxy-5-methyl-4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid | 21016-00-2 | C20H20N4O13S3 |
| 4,5-二氢-4-[2-(2-甲氧基-5-甲基苯基)偶氮]-3-甲基-5-氧代-1H-吡唑-1-甲脒乙酸盐(1:1) | 4,5-Dihydro-4-[(2-methoxy-5-methylphenyl)azo]-3-methyl-5-oxo-1H-pyrazole-1-carboxamidine monoacetate | 94109-04-3 | C15H20N6O4 |
| 4,5-二氢-4-[(2-甲氧基-5-甲基苯基)偶氮]-3-甲基-5-氧代-1H-吡唑-1-甲脒单盐酸盐 | hydron;4-[(2-methoxy-5-methylphenyl)diazenyl]-3-methyl-5-oxo-4H-pyrazole-1-carboximidamide;chloride | —— | C13H17ClN6O2 |
| 4,5-二氢-2[6-氨基-2-苯并噻唑]-4-噻唑羧酸 | 2-(6-aminobenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid | 118969-27-0 | C11H9N3O2S2 |
| 4,5-二氢-2-甲基-1H-咪唑-5-羧酸 | 2-methyl-4,5-dihydro-1H-imidazole-4-carboxylic acid | 902771-01-1 | C5H8N2O2 |
| 4,5-二氢-2-甲基-1,3-恶唑-4-羧酸甲酯 | 4,5-dihydro-2-methyloxazole-4-carboxylic acid methyl ester | 155884-28-9 | C6H9NO3 |
| 4,5-二氢-2-[6-甲氧基-2-苯并噻唑基]-4-噻唑啉羧酸钠盐 | luciferin 6'-methyl ether | 3022-11-5 | C12H10N2O3S2 |
| 4,5-二氢-2-(6-羟基-2-苯并噻唑)-4-噻唑羧酸 | luciferin | 20240-21-5 | C11H8N2O3S2 |
| 4,5-二氢-1H-苯并[e][1,4]二氮杂-2(3h)-酮 | 4,5-dihydro-1H-benzo[e][1,4]diazepin-2(3H)-one | 1824-72-2 | C9H10N2O |
| 4,5-二氢-1H-咪唑-2-羰酰氯 | 4,5-Dihydro-1H-imidazole-2-carbonyl chloride | 782395-53-3 | C4H5ClN2O |
| 4,5-二氢-1H-吡啶[3,4-b][1,4]二氮杂-2(3h)-酮 | 4,5-Dihydro-1H-pyrido[3,4-B][1,4]diazepin-2(3H)-one | 710349-41-0 | C8H9N3O |
| 4,5-二亚甲基-1,3-二氧戊环-2-酮 | 4,5-Dimethylen-1,3-dioxolan-2-on | 62458-20-2 | C5H4O3 |
| 4,5-二乙酰氧基环戊烷-1,3-二甲酸 | 4,5-Diacetyloxycyclopentane-1,3-dicarboxylic acid | 13190-76-6 | C11H14O8 |
| 4,5-二乙酰氧基-2-甲基-戊-2-烯 | 4,5-diacetoxy-2-methyl-pent-2-ene | 103260-84-0 | C10H16O4 |
| 4,5,8-三甲基-3,4-二氢-2H-1,4-苯并恶嗪-6,7-二酮 | 4,5,8-trimethyl-3,4-dihydro-2<i>H</i>-benzo[1,4]oxazine-6,7-dione | 29441-77-8 | C11H13NO3 |
| 4,5,7-三邻乙酰基-2,6-酐-3-脱氧-d-lyxo-2-氨基庚烯 | 4,5,7-tri-O-acetyl-2,6-anhydro-3-deoxy-dlyxo-hept-2-enonamide | 183233-11-6 | C13H17NO8 |
| 4,5,7,8-四甲氧基-1-氧杂-螺[2.5]辛-4,7-二烯-6-酮 | 4,5,7,8-tetramethoxy-1-oxa-spiro[2.5]octa-4,7-dien-6-one | 100059-82-3 | C11H14O6 |
| 4,5,7,8-四乙酰氧基-1-氧杂-螺[2.5]辛-4,7-二烯-6-酮 | 4,5,7,8-tetraacetoxy-1-oxa-spiro[2.5]octa-4,7-dien-6-one | 109436-12-6 | C15H14O10 |
| 4,5,6-三羟基-2-氧代-己酸 | 4,5,6-trihydroxy-2-oxohexanoic acid | 17510-99-5 | C6H10O6 |
| 4,5,6,7-四溴-3-[[2-甲基-3-[(4,5,6,7-四氯-1-羰基-1H-异吲哚-3-基)氨基]苯基]氨基]-1H-异吲哚-1-酮 | Butyl prop-2-enoate;ethenyl 2-chloroacetate;ethyl prop-2-enoate | 28064-30-4 | C16H25ClO6 |
| 4,5,6,7-四氢苯并咪唑-5-羧酸硫酸盐 | 4,5,6,7-tetrahydrobenzimidazole-5-carboxylic acid sulfate | 131020-49-0 | C8H10N2O2*H2O4S |
| 4,5,6,7-四氢-3-羰基-2H-吲唑-5,5-二羧酸 | trans-5-ethynyl-(+/-)-proline | 138957-98-9 | C7H9NO2 |
| 4,5,6,7-四氢-1H-咪唑并[4,5-c]吡啶-6-羧酸甲酯 | methyl 4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-6-carboxylate | 82523-06-6 | C8H11N3O2 |
| 4,5,6,7-四氢-1H-咪唑并[4,5-c]吡啶-6-羧酸 | Spinacine | 495-77-2 | C7H9N3O2 |
| 4,5,6,7-四氢-1,2-苯异唑-3-甲酰胺 | 4,5,6,7-tetrahydro-1,2-benzisoxazole-3-carboxamide | 1008-50-0 | C8H10N2O2 |
| 4,5,5-三甲基-2-氧代-1,3-恶唑烷-4-羧酸 | 4,5,5-trimethyl-2-oxo-oxazolidine-4-carboxylic acid | 100911-43-1 | C7H11NO4 |
| 4,5,5,5-四氟-2-甲基-4-(三氟甲基)戊-2-烯-3-基异丁酸酯 | [4,5,5,5-Tetrafluoro-2-methyl-4-(trifluoromethyl)pent-2-en-3-yl] 2-methylpropanoate | 80553-03-3 | C11H13F7O2 |
| 4,4-联菲-3,3-二硫醇 | (2S,4R)-2-(Propan-2-yl)-1,3-thiazolidine-4-carboxylic acid | 169908-52-5 | C7H13NO2S |
| 4,4-联苯丙氨酸-1,1-二甲基乙酯 | tert-butyl (2S)-2-amino-3-(4-phenylphenyl)propanoate | 225528-25-6 | C19H23NO2 |
| 4,4-双十二烷基-7-氧代-8-氧杂-3,5-二硫杂-4-锡杂二十烷酸十二烷基酯 | 65301-38-4 | C52H104O4S2Sn | |
| 4,4-双十二烷基-7-氧代-8-氧杂-3,5-二硫杂-4-锡杂二十二烷酸十四烷基酯 | 83833-23-2 | C56H112O4S2Sn | |
| 4,4-二羧基-5-甲基脯氨酸 | 4,4-dicarboxy-5-methylproline | 80570-91-8 | C8H11NO6 |
| 4,4-二甲氧基吡咯烷-2-羧酸 | 4,4-Dimethoxypyrrolidine-2-carboxylic acid | 75776-56-6 | C7H13NO4 |
| 4,4-二甲氧基乙酰乙酸甲酯 | 4,4-dimethoxy-3-oxo-butyric acid methyl ester | 60705-25-1 | C7H12O5 |
| 4,4-二甲氧基-3-羰基戊酸甲酯 | methyl 4,4-dimethoxy-3-oxopentanoate | 62759-83-5 | C8H14O5 |
| 4,4-二甲氧基-3-氧代-丁酸丙酯 | Propyl 4,4-dimethoxy-3-oxobutanoate | 6342-54-7 | C9H16O5 |
| 4,4-二甲基环己烷-1-羧酸 | 4,4-dimethylcyclohexane-1-carboxylic acid | 25186-27-0 | C9H16O2 |
| 4,4-二甲基环己烯-1-基硼酸 | (4,4-dimethylcyclohex-1-en-1-yl)boronic acid | 865869-28-9 | C8H15BO2 |
| 4,4-二甲基环己基-1,5-二烯-1-硼酸频哪酯 | 2-(4,4-dimethylcyclohexa-1,5-dien-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 871333-97-0 | C14H23BO2 |
| 4,4-二甲基环己-1,5-二烯-1-醇乙酸酯 | Acetic acid;4,4-dimethylcyclohexa-1,5-dien-1-ol | 38610-74-1 | C10H16O3 |
| 4,4-二甲基哌啶-2-羧酸盐酸 | 4,4-Dimethylpiperidine-2-carboxylic acid hydrochloride | 1803560-90-8 | C8H16ClNO2 |
| 4,4-二甲基吗啉-4-鎓-2-酮氯化物 | 4,4-dimethyl-2-oxomorpholinium chloride | 3053-29-0 | C6H12NO2*Cl |
| 4,4-二甲基-戊-2-炔酸酰胺 | 4,4-dimethyl-pent-2-ynoic acid amide | 52324-02-4 | C7H11NO |