| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4,5-二甲基-1,3-二氧杂环戊烯-2-酮 | 4,5-Dimethyl-1,3-dioxole-2-one | 37830-90-3 | C5H6O3 |
| 4,5-二甲基-1,3,2-二恶噻戊环2,2-二氧化物 | 4,5-dimethylethylene (trans,trans) sulphate | 4440-89-5 | C4H8O4S |
| 4,5-二氯-4,5-二甲基-1,3-二氧戊环-2-酮 | 4,5-dimethyl-4,5-dichloro-1,3-dioxolan-2-one | 129482-56-0 | C5H6Cl2O3 |
| 4,5-二氯-2-(五氯苯氧基)苯酚 | L-Leucinohydrazide dihydrochloride | 83918-58-5 | C6H17Cl2N3O |
| 4,5-二氯-1H-吡咯-2-甲酰胺 | 4,5-dichloro-pyrrole-2-carboxylic acid amide | 50371-68-1 | C5H4Cl2N2O |
| 4,5-二氯-1,3-二氧五环-2-酮 | dichloroethylene carbonate | 3967-55-3 | C3H2Cl2O3 |
| 4,5-二氨基甲酰-1-乙基咪唑 | 1-ethyl-4,5-imidazoledicarboxamide | 61523-49-7 | C7H10N4O2 |
| 4,5-二氨基戊酸 | 4,5-diaminovaleric acid | 99363-27-6 | C5H12N2O2 |
| 4,5-二氨基-5-氧代戊酸 | isoglutamine | 328-48-3 | C5H10N2O3 |
| 4,5-二氨基-2-氟-5-氧代戊酸盐酸盐 | 4,5-Diamino-2-fluoro-5-oxopentanoic acid;hydron;chloride | 7682-58-8 | C5H10ClFN2O3 |
| 4,5-二氨基-2,4-二氢吡唑-3-酮硫酸盐 | (4-amino-5-oxo-1,4-dihydropyrazol-3-yl)azanium;hydrogen sulfate | —— | C3H8N4O5S |
| 4,5-二氨基-1H-吡唑-1-乙酸 | 4,5-Diamino-1H-pyrazole-1-acetic acid | 439902-04-2 | C5H8N4O2 |
| 4,5-二氨基-1-(2-羟乙基)吡唑硫酸盐 | 4,5-diamino-1-(2-hydroxyethyl)pyrazole sulfate | 155601-30-2 | C5H10N4O*H2O4S |
| 4,5-二氧代脯氨酰氯化物 | 4,5-dioxo-prolyl chloride | 64154-86-5 | C5H4ClNO3 |
| 4,5-二氧代戊酸 | 4-formyl-4-oxobutanoic acid | 5976-90-9 | C5H6O4 |
| 4,5-二氧代-环戊烷-1,3-二羧酸 二乙酯 | 4,5-dioxo-cyclopentane-1,3-dicarboxylic acid diethyl ester | 10088-87-6 | C11H14O6 |
| 4,5-二氢噻唑-2-胺硫酸盐 | 2-Ammonio-4,5-dihydrothiazolium sulfate | 65767-36-4 | C3H8N2O4S2 |
| 4,5-二氢噻吩并[2,3-C]吡咯-6-酮 | 4,5-dihydro-6H-thieno[2,3-c]pyrrol-6-one | 79472-22-3 | C6H5NOS |
| 4,5-二氢呋喃-3-硼酸频那醇酯 | 2-(4,5-dihydrofuran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 1046812-03-6 | C10H17BO3 |
| 4,5-二氢吡唑-5-羧酸乙酯 | ethyl 4,5-dihydro-1H-pyrazole-5-carboxylate | 89600-89-5 | C6H10N2O2 |
| 4,5-二氢-8,9-二甲基-3-苯基-2H-(1)苯并噁庚并(5,4-c)吡唑 | Pro-opiomelanocortin human joining peptide(77-109) | 124222-22-6 | C136H220N44O53S |
| 4,5-二氢-5-羰基-4-[[4-[[2-(磺基氧代)乙基]磺基基]苯基]偶氮]-1-(4-磺基苯基)-1H-吡唑-3-羧酸 | 4,5-Dihydro-5-oxo-4-((4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid | 10149-98-1 | C18H16N4O12S3 |
| 4,5-二氢-5-羰基-4-[[4-[[1-羰基-3-(苯基磺基基)丙基]氨基]-2-磺基苯基]偶氮]-1-(4-磺基苯基)-1H-吡唑-3-羧酸,盐钾钠 | 4,5-Dihydro-5-oxo-4-((4-((1-oxo-3-(phenylsulphonyl)propyl)amino)-2-sulphophenyl)azo)-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid, potassium sodium salt | 94158-43-7 | C25H18K2N5NaO12S3 |
| 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 |