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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5α-Dihydro-cortisonacetat 1499-59-8 C23H32O6
    4,5α-Dihydro-cortisonacetat
    —— 4-hydroxy-6-{2-[2-(trifluoromethyl)phenyl]ethyl}pyridazin-3(2H)-one 1425511-25-6 C13H11F3N2O2
    4-hydroxy-6-{2-[2-(trifluoromethyl)phenyl]ethyl}pyridazin-3(2H)-one
    —— 4,6,15,17-tetranitro-8,19-diaza-2,13-dioxacyclo[14]phane 53561-37-8 C24H14N6O10
    4,6,15,17-tetranitro-8,19-diaza-2,13-dioxacyclo[14]phane
    —— 4-(4-Methylphenyl)-2-phenyl-1-(2-prop-2-enoxyethyl)benzene 1221591-08-7 C24H24O
    4-(4-Methylphenyl)-2-phenyl-1-(2-prop-2-enoxyethyl)benzene
    —— (4,4,6-trimethyl-5,6-dihydro-1,3-oxazin-2-yl)methyl N-(3,5-dichlorophenyl)carbamate 86353-62-0 C15H18Cl2N2O3
    (4,4,6-trimethyl-5,6-dihydro-1,3-oxazin-2-yl)methyl N-(3,5-dichlorophenyl)carbamate
    —— 4-hexyl-2-phenylfuran 1380501-72-3 C16H20O
    4-hexyl-2-phenylfuran
    —— (4R,Z)-N-(4-ethyl-1,3-oxazinan-2-ylidene)-4-methoxyaniline 1260510-25-5 C13H18N2O2
    (4R,Z)-N-(4-ethyl-1,3-oxazinan-2-ylidene)-4-methoxyaniline
    —— 4,4,6-trimethyltrimethylene sulphate 63082-75-7 C6H12O4S
    4,4,6-trimethyltrimethylene sulphate
    —— 4-chloro-2-hydroxy-benzoic acid-(2-hydroxy-ethylamide) 143277-37-6 C9H10ClNO3
    4-chloro-2-hydroxy-benzoic acid-(2-hydroxy-ethylamide)
    —— 4,4,6-trimethyl-2-styryl-1,3,2-dioxaborinane 60806-00-0 C14H19BO2
    4,4,6-trimethyl-2-styryl-1,3,2-dioxaborinane
    —— 4,4,6-trimethyl-2-methylene-1,3-dioxane 188118-00-5 C8H14O2
    4,4,6-trimethyl-2-methylene-1,3-dioxane
    —— (4S,5E)-(+)-octa-1,5-dien-4-ol 1252684-81-3 C8H14O
    (4S,5E)-(+)-octa-1,5-dien-4-ol
    —— 4-Chloro-2,3,6-trifluorobenzyl alcohol 252004-68-5 C7H4ClF3O
    4-Chloro-2,3,6-trifluorobenzyl alcohol
    —— 4-{2-[2-(2-methoxyethoxy)ethoxy]acetylamino}benzoic acid phenyl ester 1220918-50-2 C20H23NO6
    4-{2-[2-(2-methoxyethoxy)ethoxy]acetylamino}benzoic acid phenyl ester
    —— 4-Methyl-2-(4,4,6-trimethyl-1,3-dioxan-2-yl)-pyrrol 51741-02-7 C12H19NO2
    4-Methyl-2-(4,4,6-trimethyl-1,3-dioxan-2-yl)-pyrrol
    —— 4-Ethoxycarbonyl-5-(2-trimethylsilylethynyl)thiazole 912639-66-8 C11H15NO2SSi
    4-Ethoxycarbonyl-5-(2-trimethylsilylethynyl)thiazole
    —— 4-bromo-N-[(4-chlorophenyl)-methyl]-2-methoxy-6-methyl-benzamide 1472104-25-8 C16H15BrClNO2
    4-bromo-N-[(4-chlorophenyl)-methyl]-2-methoxy-6-methyl-benzamide
    —— 4,4,6-trimethyl-2-(1-methyl-hexyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine 36871-42-8 C14H27NO
    4,4,6-trimethyl-2-(1-methyl-hexyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine
    —— 4,4,6-trimethyl-2-(1,3,3-trimethyl-butyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine 39575-86-5 C14H27NO
    4,4,6-trimethyl-2-(1,3,3-trimethyl-butyl)-5,6-dihydro-4<i>H</i>-[1,3]oxazine
    —— 4-chloro-6-(2-methoxyethoxy)pteridine 1192150-21-2 C9H9ClN4O2
    4-chloro-6-(2-methoxyethoxy)pteridine
    —— 4-Fluor-4-methyl-pentanol-(2) 19031-69-7 C6H13FO
    4-Fluor-4-methyl-pentanol-(2)
    —— 4-isopropyl-7-methoxy-3-methylenechroman-2-one 1264290-29-0 C14H16O3
    4-isopropyl-7-methoxy-3-methylenechroman-2-one
    —— 4,4'-di-tert-butyl-2-hydroxy-6'-hydroxymethyl-3,2',3'-trimethoxy-6-methylbiphenyl —— C25H36O5
    4,4'-di-tert-butyl-2-hydroxy-6'-hydroxymethyl-3,2',3'-trimethoxy-6-methylbiphenyl
    —— 4,4,6-trimethyl-1,3-dioxane-2-thione 102368-18-3 C7H12O2S
    4,4,6-trimethyl-1,3-dioxane-2-thione
    —— (4S,5S,2'S,3'S)-3-(3-hydroxy-2-methyl-3-phenyl-1-oxopropyl)-5-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-4-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1,3-oxazolidin-2-one 471243-64-8 C23H31NO8
    (4S,5S,2'S,3'S)-3-(3-hydroxy-2-methyl-3-phenyl-1-oxopropyl)-5-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-4-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-1,3-oxazolidin-2-one
    —— 4,4,6-trimethyltrimethylene sulphite 4727-95-1 C6H12O3S
    4,4,6-trimethyltrimethylene sulphite
    —— 4,4'-dibromo-1,1'-bis[(trimethylsilyl)ethoxymethyl]-2,2'-biimidazole-5,5'-dicarbaldehyde 591751-01-8 C20H32Br2N4O4Si2
    4,4'-dibromo-1,1'-bis[(trimethylsilyl)ethoxymethyl]-2,2'-biimidazole-5,5'-dicarbaldehyde
    —— (4-hydroxy-4-methylpentan-2-yl) pivalate 1246869-71-5 C11H22O3
    (4-hydroxy-4-methylpentan-2-yl) pivalate
    —— 4,5,6,7-tetrahydro-4,8,8-trimethyl-4,7-methanobenzofurazan 1-oxide 20653-19-4 C10H14N2O2
    4,5,6,7-tetrahydro-4,8,8-trimethyl-4,7-methanobenzofurazan 1-oxide
    —— 4-Acetyl-2-(4-chlorophenyl)-7,8,9,9a-tetrahydro-2H,6H-pyrido[1,2-d][1,2,4]triazin-1-one 139456-27-2 C15H16ClN3O2
    4-Acetyl-2-(4-chlorophenyl)-7,8,9,9a-tetrahydro-2H,6H-pyrido[1,2-d][1,2,4]triazin-1-one
    —— 4-bromo-2-methyl-2-pentanol 497069-64-4 C6H13BrO
    4-bromo-2-methyl-2-pentanol
    —— 4,5,6-tri-O-benzyl-3-deoxy-β-D-glycero-D-gulo-septanosyl azide 944478-39-1 C28H31N3O5
    4,5,6-tri-O-benzyl-3-deoxy-β-D-glycero-D-gulo-septanosyl azide
    —— 4-((2-(trifluoromethyl)phenyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine 1147014-41-2 C15H8F3N3
    4-((2-(trifluoromethyl)phenyl)ethynyl)-7H-pyrrolo[2,3-d]pyrimidine
    —— 4-hydroxy-6-phenyl-pyridine-2-carboxylic acid (2-thiazolo[5,4-b]pyridin-2-yl-phenyl)-amide 1152094-11-5 C24H16N4O2S
    4-hydroxy-6-phenyl-pyridine-2-carboxylic acid (2-thiazolo[5,4-b]pyridin-2-yl-phenyl)-amide
    —— 4-((R)-4-(diethoxy-phosphoryl)-2-([4-((S)-3-methoxy-pyrrolidin-1-yl)-6-phenyl-pyridine-2-carbonyl]-amino)-butyryl)-piperazine-1-carboxylic acid ethyl ester 1191263-86-1 C32H46N5O8P
    4-((R)-4-(diethoxy-phosphoryl)-2-([4-((S)-3-methoxy-pyrrolidin-1-yl)-6-phenyl-pyridine-2-carbonyl]-amino)-butyryl)-piperazine-1-carboxylic acid ethyl ester
    —— 4-Benzoyloxy-2-methyl-2-pentanol 56543-20-5 C13H18O3
    4-Benzoyloxy-2-methyl-2-pentanol
    —— 4'-butyl-3-nitro-biphenyl-4-ylamine 926634-60-8 C16H18N2O2
    4'-butyl-3-nitro-biphenyl-4-ylamine
    —— 4-(5-fluoro-2-nitrophenoxy)-2-methylpentan-2-ol 1332761-06-4 C12H16FNO4
    4-(5-fluoro-2-nitrophenoxy)-2-methylpentan-2-ol
    —— 4-[(R)-2-({6-phenyl-4-[(tetrahydrofuran-3-yl)oxy]-pyridine-2-carbonyl}-amino)-3-phosphono-propionyl]-piperazine-1-carboxylic acid butyl ester 1191263-81-6 C28H37N4O9P
    4-[(R)-2-({6-phenyl-4-[(tetrahydrofuran-3-yl)oxy]-pyridine-2-carbonyl}-amino)-3-phosphono-propionyl]-piperazine-1-carboxylic acid butyl ester
    —— 4-iodo-2-methylpentan-2-ol 59967-11-2 C6H13IO
    4-iodo-2-methylpentan-2-ol
    —— 4-(6-chloro-3-ethyl-7-fluoro-1H-indol-2-yl)-2-hydroxy-benzoic acid methyl ester 926634-55-1 C18H15ClFNO3
    4-(6-chloro-3-ethyl-7-fluoro-1H-indol-2-yl)-2-hydroxy-benzoic acid methyl ester
    —— 4-(Methoxymethoxy)-2-methylpentan-2-OL 89449-96-7 C8H18O3
    4-(Methoxymethoxy)-2-methylpentan-2-OL
    —— 4-((R)-2-([4-((S)-3-methoxy-pyrrolidin-1-yl)-6-phenyl-pyridine-2-carbonyl]-amino)-4-phosphono-butyryl)-piperazine-1-carboxylic acid ethyl ester 1191263-36-1 C28H38N5O8P
    4-((R)-2-([4-((S)-3-methoxy-pyrrolidin-1-yl)-6-phenyl-pyridine-2-carbonyl]-amino)-4-phosphono-butyryl)-piperazine-1-carboxylic acid ethyl ester
    —— 4-isopropyl-5,7-dimethoxy-3-methylenechroman-2-one 1264290-37-0 C15H18O4
    4-isopropyl-5,7-dimethoxy-3-methylenechroman-2-one
    —— 4-(4-nitrophenoxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde 1196474-74-4 C19H20BNO6
    4-(4-nitrophenoxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde
    —— 4,5-difluoro-2-(trifluoromethyl)benzaldehyde 134099-22-2 C8H3F5O
    4,5-difluoro-2-(trifluoromethyl)benzaldehyde
    —— 4-[(R)-3-(diethoxy-phosphoryl)-2-({6-phenyl-4-[(tetrahydro-furan-3-yl)oxy]-pyridine-2-carbonyl}-amino)-propionyl]-piperazine-1-carboxylic acid butyl ester 1191264-31-9 C32H45N4O9P
    4-[(R)-3-(diethoxy-phosphoryl)-2-({6-phenyl-4-[(tetrahydro-furan-3-yl)oxy]-pyridine-2-carbonyl}-amino)-propionyl]-piperazine-1-carboxylic acid butyl ester
    —— 4-bromo-2,6-difluoro-N-{2-hydroxy-5-[(methylamino)sulfonyl]phenyl}benzamide 1252554-86-1 C14H11BrF2N2O4S
    4-bromo-2,6-difluoro-N-{2-hydroxy-5-[(methylamino)sulfonyl]phenyl}benzamide
    —— 4-ethoxy-6-phenylpyridine-2-carboxylic acid 86696-66-4 C14H13NO3
    4-ethoxy-6-phenylpyridine-2-carboxylic acid
    —— 4-Hydroxy-6-phenyl-N-2H-tetrazol-5-yl-2-pyridinecarboxamide 78296-38-5 C13H10N6O2
    4-Hydroxy-6-phenyl-N-2H-tetrazol-5-yl-2-pyridinecarboxamide