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中文名称 英文名称 CAS号 化学式
4’-乙酰基联苯-3-羧酸 4'-acetylbiphenyl-3-carboxylic acid 635757-61-8 C15H12O3
4’-丁基苯甲酸 4-氰基联苯酯 4'-cyanobiphenyl-4-yl 4-n-butylbenzoate 62622-28-0 C24H21NO2
4’,5’-二甲基-2’-硝基乙酰苯胺 N-(4,5-dimethyl-2-nitrophenyl)acetamide 6970-77-0 C10H12N2O3
4‘-(1H-1,2,4-三唑基)苯酚 4-(1,2,4-triazol-1-yl)phenol 68337-15-5 C8H7N3O
4alpha-甲基-5alpha-胆甾-8(14)-烯-3beta-醇 4α-methyl-5α-cholest-8(14)-en-3β-ol 62014-96-4 C28H48O
4alpha-[3-(2-氟乙基)-3-亚硝基脲基]-1alpha-环己烷羧酸 cis-4-(3-(2-Fluoroethyl)-3-nitrosoureido)cyclohexanecarboxylic acid 61137-52-8 C10H16FN3O4
4aH-蒽-2,9,10-三酮 2,9,10(4AH)-Anthracenetrione 6635-06-9 C14H8O3
4a,9alpha-环氧-4a,9alpha-二氢蒽-1,4,9,10-四酮 4a,9a-epoxy-4a,9a-dihydro-anthracene-1,4,9,10-tetraone 69448-06-2 C14H6O5
4`-(羟甲基)苯并-15-冠-5 4-hydroxymethylbenzo-15-crown-5 65558-67-0 C15H22O6
4S,5R)-3-叔丁氧基-2-(4-甲氧基苯基)-4-苯基-5-恶唑烷羧酸甲酯 (2*,4S,5R)-methyl N-tert-butoxycarbonyl-2-(4'-methoxy)phenyl-4-phenyl-1,3-oxazolidine-5-methionate 670254-71-4 C23H27NO6
4H-苯并[a]喹嗪-4-酮 4H-Benzo<a>quinolizin-4-one 61259-58-3 C13H9NO
4H-环戊并(def)菲-4-醇 4H-cyclopenta<def>phenanthren-4-ol 64884-42-0 C15H10O
4H-环戊基[lmn]菲啶-5,9-二酮 4H-cyclopenta<k,l,m>phenanthridine-5,9-dione 61479-80-9 C14H7NO2
4H-吡唑并[1,5-c][1,3]噻唑-2-甲醛 4H-5-Thia-1,6a-diazapentalen-2-carbaldehyde 623564-68-1 C6H6N2OS
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-吡咯并[3,2,1-ij]喹啉-6(5H)-酮 5,6-dihydropyrrolo[3,2,1-ij]quinolin-6-one 603310-86-7 C11H9NO
4H-1,4-苯并二氮-4,8-二羧酸-1,2,3,5-四氢-2-氧代-4-(1,1-二甲基乙基)酯 4-(tert-Butoxycarbonyl)-2-oxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine-8-carboxylic acid 637338-11-5 C15H18N2O5
4H-1,2,4-三唑-3-羧酸 methyl 4-methyl-4H-1,2,4-triazole-3-carboxylate 68984-31-6 C5H7N3O2
4Alpha-甲基-1,2,3,4,9,10-六氢菲 4a-Methyl-1.2.3.4.4a.9.10.10a-octahydro-phenanthren 60795-82-6 C15H20
4A,5,8,8a-四氢-[1,4]萘醌 4a,5,8,8a-tetrahydro-1,4-naphthoquinone 6271-40-5 C10H10O2
4-(甲胺)丁酸氢酯 4-(methylamino)butyric acid hydrochloride 6976-17-6 C5H11NO2*ClH
4-(异丁氧基)苄基异氰酸酯 4-isobutoxybenzyl isocyanate 639863-75-5 C12H15NO2
4-(二甲氨基)-1,1-二甲氧基-3-丙烯-1-酮 (E)-4-(dimethylamino)-1,1-dimethoxybut-3-en-2-one 67751-23-9 C8H15NO3
4-({[(2,3,5,6-四甲基苯基)磺酰基]氨基}甲基)苯甲酸 4-({[(2,3,5,6-Tetramethylphenyl)sulfonyl]amino}methyl)benzoic acid 690646-18-5 C18H21NO4S
4-(4-溴苯基)噻吩-2-羰基氯 4-(4-Bromophenyl)thiophene-2-carbonyl chloride 681260-49-1 C11H6BrClOS
4-(2,6,6-三甲基-2-环己烯-1-基)-2-乙酰氧基丁-2-烯 2-Acetoxy-4-(2,6,6-trimethyl-cyclohex-2-enyliden)-but-2-en 61693-39-8 C15H22O2
4-马来酰亚胺基甲基苯甲酸(N-羟基琥珀酰亚胺)酯 4-(2,5-Dioxo-2,5-dihydro-pyrrol-1-ylmethyl)-benzoic acid 2,5-dioxo-pyrrolidin-1-yl ester 64987-84-4 C16H12N2O6
4-频哪酯基苯磺酸酯新戊醇酯 neopentyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzenesulfonate 648905-68-4 C17H27BO5S
4-顺式-癸烯酰基-辅酶 A cis-4-decenoyl-CoA 69281-30-7 C31H52N7O17P3S
4-雄甾烯-16alpha-醇-3,17-二酮 16α-hydroxyandrostenedione 63-02-5 C19H26O3
4-间甲苯氧基哌啶 4-(3-methylphenoxy)piperidine 63843-46-9 C12H17NO
4-铌苯基15-5-乙基 4'-nitrobenzo-15-crown-5 60835-69-0 C14H19NO7
4-重氮基二甲基苯胺氯化锌盐 ZINC;4-(dimethylamino)benzenediazonium;tetrachloride 6023-44-5 C8H10Cl4N3Zn-
4-重氮基-2-甲基戊-2-烯 4-diazo-2-methyl-pent-2-ene 61491-00-7 C6H10N2
4-重氮-N-苄基-N-乙基氯化苯胺氯化锌复盐 Zinc chloride--N-benzyl-4-diazo-N-ethylcyclohexa-1,5-dien-1-amine (1/2/1) 68459-97-2 C15H17Cl2N3Zn
4-酰基-18-冠醚 4-acryloylaminobenzo-18-crown-6 68865-32-7 C19H27NO7
4-酮维生素A all-trans-4-oxoretinol 62702-55-0 C20H28O2
4-酪氨酸蛙皮素 4-Tyr-bombesin 67338-70-9 C74H108N24O19S
4-邻硝基苯基-7-羟基香豆素 4-o-nitrophenyl-7-hydroxy-coumarin 67268-48-8 C15H9NO5
4-邻甲苯丁酸 4-(2-methylphenyl)butanoic acid 6943-79-9 C11H14O2
4-邻甲氧苯基哌啶 4-(2-methylphenoxy)piperidine 63843-42-5 C12H17NO
4-辛烯硼酸乙醇胺酸酯 2-Oct-4-en-4-yl-1,3,6,2-dioxazaborocane 608534-40-3 C12H24BNO2
4-辛烯-1-醇 oct-4-en-1-ol 67700-26-9 C8H16O
4-辛氧基苯甲酸-4-戊氧基苯酯 Benzoic acid, 4-(octyloxy)-, 4-(pentyloxy)phenyl ester 65629-01-8 C26H36O4
4-辛氧基-2-戊-4-烯氧基苯甲酸甲酯 Methyl 4-(octyloxy)-2-[(pent-4-en-1-yl)oxy]benzoate 633313-64-1 C21H32O4
4-辛基苯磺酸钠 4-Octylbenzenesulfonic acid sodium salt, 97% 6149-03-7 C14H22NaO3S
4-辛基苯基异氰酸酯 1-isocyanato-4-octylbenzene 69342-46-7 C15H21NO
4-辛基苯-1,3-二醇 4-octylresorcinol 6565-70-4 C14H22O2
4-辛基环己-1-酮 4-octylcyclohexan-1-one 6814-19-3 C14H26O