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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-phenethylstyrene 15824-17-6 C16H16
    4-phenethylstyrene
    —— 4-[2]pyridylamino-but-3-en-2-one 41995-57-7 C9H10N2O
    4-[2]pyridylamino-but-3-en-2-one
    —— 4-methoxy-hept-6-en-2-one 67694-59-1 C8H14O2
    4-methoxy-hept-6-en-2-one
    —— 4-fluoro-2-(trifluoromethyl)cinnamic acid 280753-26-6 C10H6F4O2
    4-fluoro-2-(trifluoromethyl)cinnamic acid
    —— 4-hydroxy-3-(7-methoxy-1,1-dioxo-1,4-dihydrobenzo[1,2,4]thiadiazin-3-yl)-1-(3-methylbutyl)-1H-quinolin-2-one 477931-01-4 C22H23N3O5S
    4-hydroxy-3-(7-methoxy-1,1-dioxo-1,4-dihydrobenzo[1,2,4]thiadiazin-3-yl)-1-(3-methylbutyl)-1H-quinolin-2-one
    —— 4-(2,2-(ethylenedioxy)propyl)phenyl propan-2-one 113758-64-8 C14H18O3
    4-(2,2-(ethylenedioxy)propyl)phenyl propan-2-one
    —— 4,4-difluoro-2,3-bis-trifluoromethyl-but-3-enoic acid 58064-30-5 C6H2F8O2
    4,4-difluoro-2,3-bis-trifluoromethyl-but-3-enoic acid
    —— 4-[2-oxo-2-((R)-2-oxo-4-phenyloxazolidin-3-yl)-ethyl]-piperidine-1-carboxylic acid tert-butyl ester 1159845-42-7 C21H28N2O5
    4-[2-oxo-2-((R)-2-oxo-4-phenyloxazolidin-3-yl)-ethyl]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-hydroxy-3-(7-hydroxy-1,1-dioxo-1,4-dihydrobenzo[1,2,4]thiadiazin-3-yl)-1-(3-methylbutyl)-1H-quinolin-2-one 477931-04-7 C21H21N3O5S
    4-hydroxy-3-(7-hydroxy-1,1-dioxo-1,4-dihydrobenzo[1,2,4]thiadiazin-3-yl)-1-(3-methylbutyl)-1H-quinolin-2-one
    —— 4-methyl-7,10-dihydrobenzo[h]coumarin 207507-82-2 C14H12O2
    4-methyl-7,10-dihydrobenzo[h]coumarin
    —— (4R)-3-(3-cyclohexylidenepropanoyl)-4-phenyl-1,3-oxazolidin-2-one 1257510-85-2 C18H21NO3
    (4R)-3-(3-cyclohexylidenepropanoyl)-4-phenyl-1,3-oxazolidin-2-one
    —— 4-[(4-dipropylaminobutyl)methylamino]methylbenzylamine hydrochloride 927885-18-5 C19H35N3*ClH
    4-[(4-dipropylaminobutyl)methylamino]methylbenzylamine hydrochloride
    —— 4-n-heptyloxysalicylic acid 127941-90-6 C14H20O4
    4-n-heptyloxysalicylic acid
    —— 4-[2-(4-chlorophenylthio)-2,2-difluoroethyl]oxazolidin-2-one 1355214-08-2 C11H10ClF2NO2S
    4-[2-(4-chlorophenylthio)-2,2-difluoroethyl]oxazolidin-2-one
    —— 4-(4-chloro-phenyl)-5-phenyl-1(3)<i>H</i>-imidazole 109569-22-4 C15H11ClN2
    4-(4-chloro-phenyl)-5-phenyl-1(3)<i>H</i>-imidazole
    —— 4-[2,2-difluoro-2-(phenylthio)ethyl]oxazolidin-2-one 1355213-96-5 C11H11F2NO2S
    4-[2,2-difluoro-2-(phenylthio)ethyl]oxazolidin-2-one
    —— 4-ethyl-1-phenyl-octane-1,3-dione 112405-99-9 C16H22O2
    4-ethyl-1-phenyl-octane-1,3-dione
    —— 4-O-beta-(2,3,4,6-Tetra-O-acetyl-D-galactopyranosyl)-(1',6'-anhydro-2',3'-O-isopropylidene-beta-D-mannopyranose) 5346-69-0 C23H32O14
    4-O-beta-(2,3,4,6-Tetra-O-acetyl-D-galactopyranosyl)-(1',6'-anhydro-2',3'-O-isopropylidene-beta-D-mannopyranose)
    —— (-)-4-(6-methoxynaphthalen-2-yl)-4-methyloxazolidin-2-one 1225346-70-2 C15H15NO3
    (-)-4-(6-methoxynaphthalen-2-yl)-4-methyloxazolidin-2-one
    —— 4-N,N-diethylamino-4'-bromobiphenyl 27004-23-5 C16H18BrN
    4-N,N-diethylamino-4'-bromobiphenyl
    —— 4H-1-Benzopyran-4-one,2,3-dihydro-3-[(4-hydroxyphenyl)methylene]-7,8-dimethoxy-, (E)- 89946-09-8 C18H16O5
    4H-1-Benzopyran-4-one,2,3-dihydro-3-[(4-hydroxyphenyl)methylene]-7,8-dimethoxy-, (E)-
    —— 4,5-dipropylnaphtho[2,1-b]thiophene 1584117-38-3 C18H20S
    4,5-dipropylnaphtho[2,1-b]thiophene
    —— 4-Hydroxy-2-oxo-2H-chromene-3-carboxylic acid (1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-amide 117665-45-9 C21H17N3O5
    4-Hydroxy-2-oxo-2H-chromene-3-carboxylic acid (1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-amide
    —— 4-phenyl-2-(p-tolyl)thiophene 1579939-70-0 C17H14S
    4-phenyl-2-(p-tolyl)thiophene
    —— 4'-nitrophenyl (2-amino-2-deoxy-α-D-glucopyranosyl)-(1->4)-sodium β-D-glucopyranosiduronate 1314133-34-0 C18H23N2O13*Na
    4'-nitrophenyl (2-amino-2-deoxy-α-D-glucopyranosyl)-(1->4)-sodium β-D-glucopyranosiduronate
    —— 4-((3-carbamoyl-5-(4-fluorophenoxy)phenyl)amino)-7-(2,4-dimethoxypyrimidin-5-yl)quinoline-3-carboxamide 1445788-58-8 C29H23FN6O5
    4-((3-carbamoyl-5-(4-fluorophenoxy)phenyl)amino)-7-(2,4-dimethoxypyrimidin-5-yl)quinoline-3-carboxamide
    —— 4-bromo-2-ethyl-1-trimethylsilyloxyindane 183953-51-7 C14H21BrOSi
    4-bromo-2-ethyl-1-trimethylsilyloxyindane
    —— 4-[1,2,4]Triazol-1-yl-benzene-1,2-diamine 131885-90-0 C8H9N5
    4-[1,2,4]Triazol-1-yl-benzene-1,2-diamine
    —— 4-tert-butyl-5-(2-hydroxy-1,1'-binaphthyl-5-yl)-3,3-dimethyl-2,3-dihydrofuran 918830-05-4 C30H30O2
    4-tert-butyl-5-(2-hydroxy-1,1'-binaphthyl-5-yl)-3,3-dimethyl-2,3-dihydrofuran
    —— ((4R,4a'S,5R,8a'S,10a'R)-1',1',4,4a',5-pentamethyl-3',4',4a',6',7',8',8a',9',10',10a'-decahydro-1'H-spiro[[1,3]dioxolane-2,2'-phenanthrene]-8a'-yl)methanol 936475-63-7 C22H36O3
    ((4R,4a'S,5R,8a'S,10a'R)-1',1',4,4a',5-pentamethyl-3',4',4a',6',7',8',8a',9',10',10a'-decahydro-1'H-spiro[[1,3]dioxolane-2,2'-phenanthrene]-8a'-yl)methanol
    —— 4-triflouromethylphenyl semicarbazone 349-99-5 C9H8F3N3O
    4-triflouromethylphenyl semicarbazone
    —— 4-Formyl-7-hydroxy-6-methoxyindole 137542-68-8 C10H9NO3
    4-Formyl-7-hydroxy-6-methoxyindole
    —— 4-MeOBz-D-Ala-L-PheOMe 93709-94-5 C21H24N2O5
    4-MeOBz-D-Ala-L-PheOMe
    —— 4,6-dinitro-biphenyl-2-carboxylic acid ethyl ester 6276-07-9 C15H12N2O6
    4,6-dinitro-biphenyl-2-carboxylic acid ethyl ester
    —— 4-phenylhexa-4,5-dien-3-one 1196720-57-6 C12H12O
    4-phenylhexa-4,5-dien-3-one
    —— 4-amino-7-ethyl-5-fluoro-1-isobutyl-2-[5-({N,N'-(1-(S)-ethoxycarbonyl)ethyl}-phosphonodiamido)furanyl]benzimidazole 347869-83-4 C27H39FN5O6P
    4-amino-7-ethyl-5-fluoro-1-isobutyl-2-[5-({N,N'-(1-(S)-ethoxycarbonyl)ethyl}-phosphonodiamido)furanyl]benzimidazole
    —— 4-(7,7-dimethyl-1,4-dioxa-spiro[4.5]dec-6-yl)-butan-2-one 35319-22-3 C14H24O3
    4-(7,7-dimethyl-1,4-dioxa-spiro[4.5]dec-6-yl)-butan-2-one
    —— 4-benzoyloxymethyl-2-oxazolidinone 136015-43-5 C11H11NO4
    4-benzoyloxymethyl-2-oxazolidinone
    —— 4-MeOBz-D-Ala-L-PheOMe 93709-70-7 C21H24N2O5
    4-MeOBz-D-Ala-L-PheOMe
    —— 4-((1S,4S)-4-hydroxy-1-methyl-2-methylene-hept-6-enyl)-oxetan-2-one 794513-72-7 C12H18O3
    4-((1S,4S)-4-hydroxy-1-methyl-2-methylene-hept-6-enyl)-oxetan-2-one
    —— 4-((R)-1-carboxyethoxy)piperidine-1-carboxylic acid isopropyl ester 1245078-54-9 C12H21NO5
    4-((R)-1-carboxyethoxy)piperidine-1-carboxylic acid isopropyl ester
    —— 4-[2-(2-9H-Fluoren-9-yl-acetylamino)-ethyl]-benzoic acid 65779-73-9 C24H21NO3
    4-[2-(2-9H-Fluoren-9-yl-acetylamino)-ethyl]-benzoic acid
    —— (4S)-4-benzyl-3-butyl-4-methyl-6-phenyl-1,4-dihydropyridazine 1012325-08-4 C22H26N2
    (4S)-4-benzyl-3-butyl-4-methyl-6-phenyl-1,4-dihydropyridazine
    —— 4-amino-3-(4-methoxyphenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]thieno[3,2-e]pyridine 1040392-87-7 C19H20N2OS
    4-amino-3-(4-methoxyphenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b]thieno[3,2-e]pyridine
    —— 4-(5-chloro-6-methoxypyridin-3-yl)-6-((S)-pyrrolidin-3-yloxy)quinoline 1445651-37-5 C19H18ClN3O2
    4-(5-chloro-6-methoxypyridin-3-yl)-6-((S)-pyrrolidin-3-yloxy)quinoline
    —— 4-(7,7-Dimethyl-1,4-dioxa-spiro[4.5]dec-6-yl)-butan-2-ol 183549-76-0 C14H26O3
    4-(7,7-Dimethyl-1,4-dioxa-spiro[4.5]dec-6-yl)-butan-2-ol
    —— 4-(4-tert-butoxycarbonylaminopiperidin-1-yl)-cinnamic acid 1315251-71-8 C19H26N2O4
    4-(4-tert-butoxycarbonylaminopiperidin-1-yl)-cinnamic acid
    —— 4-β-D-glucopyranosyloxy-2-hydroxy-benzoic acid methyl ester 108125-74-2 C14H18O9
    4-β-D-glucopyranosyloxy-2-hydroxy-benzoic acid methyl ester
    —— 4-(4,5-bis-nitrooxypentyl)-5-hydroxymethyl-[1,3]dioxol-2-one 1207855-52-4 C9H12N2O10
    4-(4,5-bis-nitrooxypentyl)-5-hydroxymethyl-[1,3]dioxol-2-one
    —— 4-[1,2,4]triazol-1-yl-cyclohexanone 914780-87-3 C8H11N3O
    4-[1,2,4]triazol-1-yl-cyclohexanone