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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Methoxycarbonyl-5-cyan-2-methyl-pyrimidin 1902-69-8 C8H7N3O2
    4-Methoxycarbonyl-5-cyan-2-methyl-pyrimidin
    —— 4,5,5-Trimethyl-3-isopropyl-4-hydroxy-2-thioxo-thiazolidin 17294-18-7 C9H17NOS2
    4,5,5-Trimethyl-3-isopropyl-4-hydroxy-2-thioxo-thiazolidin
    —— 4-{[6-(3,4-dichloro-phenylamino)-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-yl]-hydrazonomethyl}-benzene-1,3-diol 851661-63-7 C17H11Cl2N7O3
    4-{[6-(3,4-dichloro-phenylamino)-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-yl]-hydrazonomethyl}-benzene-1,3-diol
    —— (4,4-diphenylbut-3-en-1-yl)magnesium bromide 5746-96-3 C16H15BrMg
    (4,4-diphenylbut-3-en-1-yl)magnesium bromide
    —— 4,4'-diisopropyl ester 2,2'-bipyridine 82017-98-9 C18H20N2O4
    4,4'-diisopropyl ester 2,2'-bipyridine
    —— 4'-methoxy-biphenyl-2,5-dicarboxylic acid diethyl ester 1071910-85-4 C19H20O5
    4'-methoxy-biphenyl-2,5-dicarboxylic acid diethyl ester
    —— 4-[(R)-2-((S)-1-acetoxy-ethyl)-pyrrolidin-1-yl]-O21-acetyl-O1,O8-dimethyl-4-deoxy-rifamycin 54356-13-7 C49H66N2O14
    4-[(R)-2-((S)-1-acetoxy-ethyl)-pyrrolidin-1-yl]-O21-acetyl-O1,O8-dimethyl-4-deoxy-rifamycin
    —— 4-(di-n-hexylphosphinoyl)-morpholine 1207477-31-3 C16H34NO2P
    4-(di-n-hexylphosphinoyl)-morpholine
    —— 4-(2-oxooxazolidin-3-yl)but-3-yn-2-yl 2-(4-fluorophenyl)acetate 1393331-28-6 C15H14FNO4
    4-(2-oxooxazolidin-3-yl)but-3-yn-2-yl 2-(4-fluorophenyl)acetate
    —— 4-methoxy-N-[1-(4-methoxybenzyl)-3-(4-methoxyphenyl)-7-indazolyl]benzenesulfonamide 874297-16-2 C29H27N3O5S
    4-methoxy-N-[1-(4-methoxybenzyl)-3-(4-methoxyphenyl)-7-indazolyl]benzenesulfonamide
    —— 4-hydroxy-3-{(E)-3-[5-(dimethylamino)-2-thienyl]prop-2-enoyl}coumarin 1192030-21-9 C18H15NO4S
    4-hydroxy-3-{(E)-3-[5-(dimethylamino)-2-thienyl]prop-2-enoyl}coumarin
    —— (4S,6S)-4-(benzyloxymethyl)-2,2,4,6-tetramethyl-1,3-dioxan-5-one 863128-51-2 C16H22O4
    (4S,6S)-4-(benzyloxymethyl)-2,2,4,6-tetramethyl-1,3-dioxan-5-one
    —— 4-Heptyl-cyclohex-1-enecarbothioic acid S-(4-pentyl-phenyl) ester 71101-52-5 C25H38OS
    4-Heptyl-cyclohex-1-enecarbothioic acid S-(4-pentyl-phenyl) ester
    —— 4-ethyl-N-(pyridin-2-ylmethyl)benzamide 830339-86-1 C15H16N2O
    4-ethyl-N-(pyridin-2-ylmethyl)benzamide
    —— 4,4-Dimethyl-2-(2,3,4,5-tetrafluoro-phenyl)-4,5-dihydro-oxazole 182867-80-7 C11H9F4NO
    4,4-Dimethyl-2-(2,3,4,5-tetrafluoro-phenyl)-4,5-dihydro-oxazole
    —— 4,4-bis(diisopropoxyphosphoryl)butyl carbamimidothioate 925885-21-8 C17H38N2O6P2S
    4,4-bis(diisopropoxyphosphoryl)butyl carbamimidothioate
    —— 4,4'bis(3-bromopropyl)cyclopenta[2,1-b;3,4-b']bithiophene 737792-48-2 C15H16Br2S2
    4,4'bis(3-bromopropyl)cyclopenta[2,1-b;3,4-b']bithiophene
    —— 4-Allyl-5-t-butyl-m-xylen 34918-84-8 C15H22
    4-Allyl-5-t-butyl-m-xylen
    —— 4-Acetoxy-2,6,7-trimethoxyphenanthren 39675-31-5 C19H18O5
    4-Acetoxy-2,6,7-trimethoxyphenanthren
    —— 4-(3-chloro-2-pyridinyl)-N-(4-isopropylphenyl)benzamide 717111-90-5 C21H19ClN2O
    4-(3-chloro-2-pyridinyl)-N-(4-isopropylphenyl)benzamide
    —— 4-(1-(3-((S)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylsulfonamido)-13-oxo-3,6,9-trioxa-12-azapentadecan-15-yl)-Ν1,Ν7-bis(2-(2-(2-(2-(3-((S)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylsulfonamido)ethoxy)ethoxy)ethoxy)ethyl)-4-undecanamidoheptanediamide 1571094-23-9 C93H130Cl6N10O19S3
    4-(1-(3-((S)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylsulfonamido)-13-oxo-3,6,9-trioxa-12-azapentadecan-15-yl)-Ν1,Ν7-bis(2-(2-(2-(2-(3-((S)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)phenylsulfonamido)ethoxy)ethoxy)ethoxy)ethyl)-4-undecanamidoheptanediamide
    —— 4-[(S)-4-carboxy-2-({5-[2-(3-cyclopropylcarbamoyl-azetidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-butyryl]-piperazine-1-carboxylic acid ethyl ester 1163791-15-8 C31H39N7O9
    4-[(S)-4-carboxy-2-({5-[2-(3-cyclopropylcarbamoyl-azetidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-butyryl]-piperazine-1-carboxylic acid ethyl ester
    —— 4-Benzamido-4-hydroxymethyl-1-t-butylpiperidin 33554-22-2 C17H26N2O2
    4-Benzamido-4-hydroxymethyl-1-t-butylpiperidin
    —— 4-(E-4-Hydroxy-3-methyl-Δ<sup>2</sup>-butenyl)-tryptamin-<4-14C> 38273-33-5 C15H20N2O
    4-(E-4-Hydroxy-3-methyl-Δ<sup>2</sup>-butenyl)-tryptamin-<4-14C>
    —— 4'-Methoxy-2,5-dihydroxy-nicotinsaeure-anilid 36853-36-8 C13H12N2O4
    4'-Methoxy-2,5-dihydroxy-nicotinsaeure-anilid
    —— (4-Bromphenyl)-(2-hydroxyaethylaminomethyl)-sulfid 22959-44-0 C9H12BrNOS
    (4-Bromphenyl)-(2-hydroxyaethylaminomethyl)-sulfid
    —— 4-bromo-benzaldehyde (5-(4-bromo-benzylidene)-4-{[5-(4-bromo-benzylidene)-4-oxo-thiazolidin-2-ylidene]-hydrazono}-thiazolidin-2-ylidene)-hydrazone 32091-83-1 C27H17Br3N6OS2
    4-bromo-benzaldehyde (5-(4-bromo-benzylidene)-4-{[5-(4-bromo-benzylidene)-4-oxo-thiazolidin-2-ylidene]-hydrazono}-thiazolidin-2-ylidene)-hydrazone
    —— 4-benzylaminomethyl-phenol; hydrochloride 33597-23-8 C14H15NO*ClH
    4-benzylaminomethyl-phenol; hydrochloride
    —— 4-(2-{2-[5-(4-chloro-phenyl)-4,5-dihydro-1<i>H</i>-pyrazol-3-yl]-naphthalen-1-yloxy}-ethyl)-morpholine 33052-90-3 C25H26ClN3O2
    4-(2-{2-[5-(4-chloro-phenyl)-4,5-dihydro-1<i>H</i>-pyrazol-3-yl]-naphthalen-1-yloxy}-ethyl)-morpholine
    —— 4-Chlor-1-<2-propylmercapto-aethylmercapto>-benzol 29960-02-9 C11H15ClS2
    4-Chlor-1-<2-propylmercapto-aethylmercapto>-benzol
    —— 4-[3-(4-phenylpiperidin-1-yl)quinoxalin-6-yl]phenol 1271837-35-4 C25H23N3O
    4-[3-(4-phenylpiperidin-1-yl)quinoxalin-6-yl]phenol
    —— 4,1'-dimethyl-3,4-dihydro-2<i>H</i>-spiro[isoquinoline-1,4'-piperidin]-6-ol 26082-13-3 C15H22N2O
    4,1'-dimethyl-3,4-dihydro-2<i>H</i>-spiro[isoquinoline-1,4'-piperidin]-6-ol
    —— 4,7-dihydroxy-3-(4-hydroxyphenyl)-2-[4-(2-piperidin-1-ylethoxy)-phenyl]-4-(trifluoromethyl)-2,3-dihydro-4H-1-benzopyran 361391-01-7 C29H30F3NO5
    4,7-dihydroxy-3-(4-hydroxyphenyl)-2-[4-(2-piperidin-1-ylethoxy)-phenyl]-4-(trifluoromethyl)-2,3-dihydro-4H-1-benzopyran
    —— 4-azido-2-dimethylcarbamoylquinoline 132664-38-1 C12H11N5O
    4-azido-2-dimethylcarbamoylquinoline
    —— 4-(R,S)-<(tert-Butoxycarbonyl)amino>-1-methylacetate-pyrazolidin-3-one 121829-67-2 C11H19N3O5
    4-(R,S)-<(tert-Butoxycarbonyl)amino>-1-methylacetate-pyrazolidin-3-one
    —— 4-chloro-2-[1-(pyridin-2-yl)-1H-pyrazol-5-yl]phenol 1345865-38-4 C14H10ClN3O
    4-chloro-2-[1-(pyridin-2-yl)-1H-pyrazol-5-yl]phenol
    —— 4-Hydroxy-2,6-bis-acetamino-5-isopentyl-pyrimidin 17001-91-1 C13H20N4O3
    4-Hydroxy-2,6-bis-acetamino-5-isopentyl-pyrimidin
    —— 4-<(benzyloxycarbonyl)amino>cycloheptanone 142010-00-2 C15H19NO3
    4-<(benzyloxycarbonyl)amino>cycloheptanone
    —— 4-(N,N-diphenylamino)-5-octylthiophene-2-carbaldehyde 1352823-52-9 C25H29NOS
    4-(N,N-diphenylamino)-5-octylthiophene-2-carbaldehyde
    —— 4-Methoxybenzyl 2,4,6-tri-O-acetyl-3-O-allyl-β-d-galactopyranoside 141263-08-3 C23H30O10
    4-Methoxybenzyl 2,4,6-tri-O-acetyl-3-O-allyl-β-d-galactopyranoside
    —— (4S,6S,10S)-10-amino-6-(benzyloxy)-14-methyl-2-oxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-9,15-dione 1266096-43-8 C25H31N3O4
    (4S,6S,10S)-10-amino-6-(benzyloxy)-14-methyl-2-oxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-9,15-dione
    —— 4,4'-Bis-(α-bromphenacetyl)-diphenyl 98878-97-8 C28H20Br2O2
    4,4'-Bis-(α-bromphenacetyl)-diphenyl
    —— (+/-)-4,5,5,7-Tetramethyl-2-phenyl-2,3,4,5-tetrahydro-1,4-oxazepin 5933-00-6 C15H21NO
    (+/-)-4,5,5,7-Tetramethyl-2-phenyl-2,3,4,5-tetrahydro-1,4-oxazepin
    —— (4S,5S,6R,7S)-6-((4-methoxybenzyl)oxy)-5,7-dimethyl-8-(trityloxy)octan-4-yl N-(tert-butoxycarbonyl)-N-methyl-L-phenylalaninate 1343505-54-3 C52H63NO7
    (4S,5S,6R,7S)-6-((4-methoxybenzyl)oxy)-5,7-dimethyl-8-(trityloxy)octan-4-yl N-(tert-butoxycarbonyl)-N-methyl-L-phenylalaninate
    —— (4-Hydroxy-5-methyl-1-phenylhex-5-enyl) acetate 1041346-29-5 C15H20O3
    (4-Hydroxy-5-methyl-1-phenylhex-5-enyl) acetate
    —— 4-{4-amino-5-[4-(hydroxymethyl)phenyl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}butan-1-ol 1417736-01-6 C17H20N4O2
    4-{4-amino-5-[4-(hydroxymethyl)phenyl]pyrrolo[2,1-f][1,2,4]triazin-7-yl}butan-1-ol
    —— 4-((5-chloro-4-(dimethylcarbamoyl)isoquinolin-1-yl)amino)-3-fluorobenzoic acid 1446745-28-3 C19H15ClFN3O3
    4-((5-chloro-4-(dimethylcarbamoyl)isoquinolin-1-yl)amino)-3-fluorobenzoic acid
    —— [4-Hydroxy-1-(3-hydroxy-propyl)-3-phenyl-piperidin-4-yl]-phenyl-methanone 34591-82-7 C21H25NO3
    [4-Hydroxy-1-(3-hydroxy-propyl)-3-phenyl-piperidin-4-yl]-phenyl-methanone
    —— 4-Nitro-benzoic acid (E)-(1S,6R)-7-benzyloxy-1-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-4,6-dimethyl-hept-3-enyl ester 114125-39-2 C29H37NO7
    4-Nitro-benzoic acid (E)-(1S,6R)-7-benzyloxy-1-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-4,6-dimethyl-hept-3-enyl ester
    —— 4-Amino-3-cyanopyrido<5',6';4,5>thieno<2,3-b>quinoxaline-2-one 136229-08-8 C14H7N5OS
    4-Amino-3-cyanopyrido<5',6';4,5>thieno<2,3-b>quinoxaline-2-one