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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4,4,6-trimethyl-2-(thiophen-2-yl)-1,3,2-dioxaborinane 1092060-84-8 C10H15BO2S
4,4,6-trimethyl-2-(thiophen-2-yl)-1,3,2-dioxaborinane
—— 4,4'-Bis-<3-p-nitrophenyl-5-phenyl-Δ<sup>2</sup>-pyrazolinyl-(1)>-biphenyl 53103-98-3 C42H32N6O4
4,4'-Bis-<3-p-nitrophenyl-5-phenyl-Δ<sup>2</sup>-pyrazolinyl-(1)>-biphenyl
—— 4-(4-methylphenoxy)phenacyl chloride 94402-59-2 C15H13ClO2
4-(4-methylphenoxy)phenacyl chloride
—— (4-morpholinophenyl)(1-phenyl-1H-tetrazol-5-yl)methanamine 1269205-92-6 C18H20N6O
(4-morpholinophenyl)(1-phenyl-1H-tetrazol-5-yl)methanamine
—— 4-butyl-5-chloro-2-methylthiopyrimidine 118506-87-9 C9H13ClN2S
4-butyl-5-chloro-2-methylthiopyrimidine
—— 4-{(E)-2-[2,5-Bis-hexyloxy-4-((E)-styryl)-phenyl]-vinyl}-benzaldehyde 849797-47-3 C35H42O3
4-{(E)-2-[2,5-Bis-hexyloxy-4-((E)-styryl)-phenyl]-vinyl}-benzaldehyde
—— [4-(furan-2-carbonyl)-2,3-diphenylcyclobut-2-en-1-yl]-(furan-2-yl)methanone 136880-35-8 C26H18O4
[4-(furan-2-carbonyl)-2,3-diphenylcyclobut-2-en-1-yl]-(furan-2-yl)methanone
—— 4-(2-chloro-4-(trifluoromethyl)phenyl)-N-(oxazol-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide 1450919-75-1 C18H13ClF3N3O4S
4-(2-chloro-4-(trifluoromethyl)phenyl)-N-(oxazol-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-sulfonamide
—— 4-[(R)-3-(N,N-dimethylamino)pyrrolidin-1-yl]-2-[4-(methyloxycarbonyl(morpholin-4-yl)methyl)phenyl]amino-7H-pyrrolo[2,3-d]pyrimidine 1219822-97-5 C25H33N7O3
4-[(R)-3-(N,N-dimethylamino)pyrrolidin-1-yl]-2-[4-(methyloxycarbonyl(morpholin-4-yl)methyl)phenyl]amino-7H-pyrrolo[2,3-d]pyrimidine
—— (4S,5S)-4-Cyclohexylmethyl-2,2-dimethyl-5-[(S)-3-methyl-2-(2-pyridin-2-yl-ethylcarbamoyl)-butyl]-oxazolidine-3-carboxylic acid tert-butyl ester 140660-92-0 C30H49N3O4
(4S,5S)-4-Cyclohexylmethyl-2,2-dimethyl-5-[(S)-3-methyl-2-(2-pyridin-2-yl-ethylcarbamoyl)-butyl]-oxazolidine-3-carboxylic acid tert-butyl ester
—— (4-Chloro-phenyl)-(4-nitro-phenyl)-methanone oxime 141883-37-6 C13H9ClN2O3
(4-Chloro-phenyl)-(4-nitro-phenyl)-methanone oxime
—— 4-[5-(tert-Butyl-dimethyl-silanyloxy)-pentyloxy]-5H-furan-2-one 133095-80-4 C15H28O4Si
4-[5-(tert-Butyl-dimethyl-silanyloxy)-pentyloxy]-5H-furan-2-one
—— (4-{[(Z)-4-Chloro-phenylimino]-methyl}-phenoxy)-acetic acid ethyl ester 132314-02-4 C17H16ClNO3
(4-{[(Z)-4-Chloro-phenylimino]-methyl}-phenoxy)-acetic acid ethyl ester
—— 4-methylbenzhydryl-4-nitrobenzoic carbonic anhydride 81505-88-6 C22H17NO6
4-methylbenzhydryl-4-nitrobenzoic carbonic anhydride
—— 4-Methoxy-4-[3-[4-(2-methylimidazol-1-yl)-2-tri-fluoromethylbenzyloxy]phenyl]-3,4,5,6-tetrahydro-2H-pyran hydrochloride 167758-27-2 C24H25F3N2O3*ClH
4-Methoxy-4-[3-[4-(2-methylimidazol-1-yl)-2-tri-fluoromethylbenzyloxy]phenyl]-3,4,5,6-tetrahydro-2H-pyran hydrochloride
—— (4S)-4-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-5-[N-(6-fluoro(3-isoquinolyl))carbamoyloxy]pentyl(2S)-2-amino-3-hydroxypropanoate 1119535-30-6 C27H30ClF2N5O6
(4S)-4-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-5-[N-(6-fluoro(3-isoquinolyl))carbamoyloxy]pentyl(2S)-2-amino-3-hydroxypropanoate
—— (4S)-4-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-5-[N-(6-fluoro(3-isoquinolyl))carbamoyloxy]-2-hydroxypentyl(2R)-2-amino-3-methylbutanoate 1119536-59-2 C29H34ClF2N5O6
(4S)-4-({[(2-chloro-3-fluorophenyl)methyl]amino}-N-methylcarbonylamino)-5-[N-(6-fluoro(3-isoquinolyl))carbamoyloxy]-2-hydroxypentyl(2R)-2-amino-3-methylbutanoate
—— 4-[(R)-2-azetidin-1-yl-1-(4-chloro-3-trifluoromethyl-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylamide 1612242-36-0 C20H18ClF3N6O
4-[(R)-2-azetidin-1-yl-1-(4-chloro-3-trifluoromethyl-phenyl)-ethylamino]-pyrido[3,2-d]pyrimidine-8-carboxylamide
—— 4-(N-decyl-N-phenylamino)-N-[4-(N,N-diethylamino)-6-mercapto-2-methylpyrimidin-5-yl]butanamide 155082-96-5 C29H47N5OS
4-(N-decyl-N-phenylamino)-N-[4-(N,N-diethylamino)-6-mercapto-2-methylpyrimidin-5-yl]butanamide
—— 4-amino-N-[1-(1H-benzimidazol-5-yl-methyl)-2-(piperidin-4-on-1-yl)-2-oxo-ethyl]-3,5-dichlorobenzenesulphonamide 152134-59-3 C21H21Cl2N5O4S
4-amino-N-[1-(1H-benzimidazol-5-yl-methyl)-2-(piperidin-4-on-1-yl)-2-oxo-ethyl]-3,5-dichlorobenzenesulphonamide
—— 4-Isopropenyl-9H-fluorene 98509-56-9 C16H14
4-Isopropenyl-9H-fluorene
—— (4aS,8aS)-5,5,8a-trimethyl-6-methyleneoctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane] 218453-43-1 C16H26O2
(4aS,8aS)-5,5,8a-trimethyl-6-methyleneoctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane]
—— 4-<4-<(4-acetyl-3-hydroxy-2-propylphenyl)methoxy>phenyl>-3-chloropropanone 135312-30-0 C21H23ClO4
4-<4-<(4-acetyl-3-hydroxy-2-propylphenyl)methoxy>phenyl>-3-chloropropanone
—— 4-tolyl-(2-tert-butyldiphenylsiloxymethyl)phenyl-dimethylsilane 1601478-63-0 C32H38OSi2
4-tolyl-(2-tert-butyldiphenylsiloxymethyl)phenyl-dimethylsilane
—— 4-Cyclopropyl-2-(trifluoromethyl)pyrimidine-5-carboxylic acid ethyl ester 887409-11-2 C11H11F3N2O2
4-Cyclopropyl-2-(trifluoromethyl)pyrimidine-5-carboxylic acid ethyl ester
—— [4-(4-cyano-3-methyl-pyrazol-1-yl)-phenyl]-carbamic acid methyl ester 73225-23-7 C13H12N4O2
[4-(4-cyano-3-methyl-pyrazol-1-yl)-phenyl]-carbamic acid methyl ester
—— 4-[2-(2,4-Dimethyl-phenyl)-ethyl]-isophthalic acid 71594-88-2 C18H18O4
4-[2-(2,4-Dimethyl-phenyl)-ethyl]-isophthalic acid
—— (4-<i>sec</i>-butylamino-6-ethylamino-[1,3,5]triazin-2-yl)-cyanamide 74150-89-3 C10H17N7
(4-<i>sec</i>-butylamino-6-ethylamino-[1,3,5]triazin-2-yl)-cyanamide
—— 4-[(4-chloro-2-(2,2-dimethylpropoxy)-6-[(S)-hydroxy(2-methoxyphenyl)methyl]phenyl)(2,2-dimethylpropyl)amino]-4-oxobutanoic acid 922161-60-2 C28H38ClNO6
4-[(4-chloro-2-(2,2-dimethylpropoxy)-6-[(S)-hydroxy(2-methoxyphenyl)methyl]phenyl)(2,2-dimethylpropyl)amino]-4-oxobutanoic acid
—— 4<i>c</i>-pentadecyl-2-phenyl-4,5-dihydro-oxazole-5<i>r</i>-carboxylic acid methyl ester 53711-12-9 C26H41NO3
4<i>c</i>-pentadecyl-2-phenyl-4,5-dihydro-oxazole-5<i>r</i>-carboxylic acid methyl ester
—— 4-methyl-hexa-4,5-dien-3-one 52066-31-6 C7H10O
4-methyl-hexa-4,5-dien-3-one
—— (4R,5S)-4-(5-fluoro-2-hydroxyphenyl)-3-(3-fluorophenyl)-5-[(1R)-1-hydroxy-3-phenylpropyl]-1,3-oxazolidin-2-one 1011265-25-0 C24H21F2NO4
(4R,5S)-4-(5-fluoro-2-hydroxyphenyl)-3-(3-fluorophenyl)-5-[(1R)-1-hydroxy-3-phenylpropyl]-1,3-oxazolidin-2-one
—— 4,7-Dichloro-6-fluoroquinoline 194093-18-0 C9H4Cl2FN
4,7-Dichloro-6-fluoroquinoline
—— 4,5,9,10-tetraphenylthiotetraazapyrene 1393718-20-1 C36H22N4S4
4,5,9,10-tetraphenylthiotetraazapyrene
—— 4-bromo-3-(dimethoxymethyl)phenol 2105820-43-5 C9H11BrO3
4-bromo-3-(dimethoxymethyl)phenol
—— ((4S)-4r-hydroxymethyl-5c-pentadecyl-2ξ-phenyl-oxazolidin-3-yl)-phosphonic acid diphenyl ester 116029-77-7 C37H52NO5P
((4S)-4r-hydroxymethyl-5c-pentadecyl-2ξ-phenyl-oxazolidin-3-yl)-phosphonic acid diphenyl ester
—— 4'-(2-chlorophenyl)-2,2':6',2''-terpyridine 565451-23-2 C21H14ClN3
4'-(2-chlorophenyl)-2,2':6',2''-terpyridine
—— (4-phenylamino-5-phenyl-1,2,4-triazol-3-yl)-N-(4-chlorophenyl)-2-oxopropane thiohydrazonate 1333972-73-8 C23H19ClN6OS
(4-phenylamino-5-phenyl-1,2,4-triazol-3-yl)-N-(4-chlorophenyl)-2-oxopropane thiohydrazonate
—— 4'-{4-methyl-6-[(R)-3-methyl-1-(pyridine-4-carbonylsulfanylmethyl)butyl-carbamoyl]-2-propylbenzoimidazol-1-ylmethyl}biphenyl-2-carboxylic acid 1092948-88-3 C38H40N4O4S
4'-{4-methyl-6-[(R)-3-methyl-1-(pyridine-4-carbonylsulfanylmethyl)butyl-carbamoyl]-2-propylbenzoimidazol-1-ylmethyl}biphenyl-2-carboxylic acid
—— 4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-2,3,6-tri-O-acetyl-α/β-D-glucopyranosyl trichloroacetimidate 250330-69-9 C28H36Cl3NO18
4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-2,3,6-tri-O-acetyl-α/β-D-glucopyranosyl trichloroacetimidate
—— [4,8]-2,3-trans-3,4-trans:2,3-trans-deca-O-acetyl-bi-(+)-catechin 21179-22-6 C50H46O22
[4,8]-2,3-trans-3,4-trans:2,3-trans-deca-O-acetyl-bi-(+)-catechin
—— 4-difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid 4-nitrophenyl ester 288606-10-0 C17H12F2N2O6
4-difluoromethoxy-2-ethylbenzooxazole-7-carboxylic acid 4-nitrophenyl ester
—— 4-(4-{[(2S,4R)-4-[acetyl(4-chlorophenyl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}-2-fluorophenoxy)-2,2-dimethylbutanoic acid 868209-45-4 C31H32ClFN2O5
4-(4-{[(2S,4R)-4-[acetyl(4-chlorophenyl)amino]-2-methyl-3,4-dihydroquinolin-1(2H)-yl]carbonyl}-2-fluorophenoxy)-2,2-dimethylbutanoic acid
—— (4-chloro-phenyl)-ethyl-((2S,4S)-4-fluoro-pyrrolidin-2-ylmethyl)-amine 1105706-85-1 C13H18ClFN2
(4-chloro-phenyl)-ethyl-((2S,4S)-4-fluoro-pyrrolidin-2-ylmethyl)-amine
—— 4-Bromo-5-chloro-2-pentyl-phenol 52016-75-8 C11H14BrClO
4-Bromo-5-chloro-2-pentyl-phenol
—— 4-Hydroxy-5-allylisophthalsaeure-1-methylester-3-amid 16512-45-1 C12H13NO4
4-Hydroxy-5-allylisophthalsaeure-1-methylester-3-amid
—— (4S)-1-[N-(4-ethanesulfonamidophenyl)aminocarbonylmethyl]-4-[4-methoxy-3-(3R)-tetrahydrofuranyloxyphenyl]-2-pyrrolidone 790298-11-2 C25H31N3O7S
(4S)-1-[N-(4-ethanesulfonamidophenyl)aminocarbonylmethyl]-4-[4-methoxy-3-(3R)-tetrahydrofuranyloxyphenyl]-2-pyrrolidone
—— 4-[(5-chloro-4'-isopropoxybiphenyl-2-yl)oxy]-3-cyano-N-1,3-thiazol-2-ylbenzenesulfonamide 1235396-89-0 C25H20ClN3O4S2
4-[(5-chloro-4'-isopropoxybiphenyl-2-yl)oxy]-3-cyano-N-1,3-thiazol-2-ylbenzenesulfonamide
—— 4'',5-bis(O-(dimethyl-tert-butylsilyl))-7-O-(trimethylsilyl)-Δ2-4(R)-avermectin B1a 103002-45-5 C63H108O14Si3
4'',5-bis(O-(dimethyl-tert-butylsilyl))-7-O-(trimethylsilyl)-Δ2-4(R)-avermectin B1a
—— 4-[4-(Diethylaminomethyl)phenyl]benzaldehyde 1260901-17-4 C18H21NO
4-[4-(Diethylaminomethyl)phenyl]benzaldehyde