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    中文名称 英文名称 CAS号 化学式
    —— 4,4'-dinitro-5,5',6,6'-tetramethylbibenzimidazole 169699-51-8 C18H16N6O4
    —— 4-Chloro-5-[N'-eth-(E)-ylidene-hydrazino]-2H-pyridazin-3-one 96017-22-0 C6H7ClN4O
    —— 4-chloro-11-thieno[2',3':5,6]pyrimido[1,2-b]isoquinolin-11-one 1201634-20-9 C14H7ClN2OS
    —— 4-methoxy-3-sulfamoyl-1-(2,5-dichlorophenyl)pyridiniumchloride 1605321-78-5 C12H11Cl2N2O3S*Cl
    —— (4RS,5RS)-1,3-di<(3SR,2RS)-3-phenyl-3-hydroxy-2-methylpropionyl>-trans-4,5-tetramethyleneimidazolidin-2-one 137618-31-6 C27H32N2O5
    —— 4,4,5,5-Tetramethyl-2-(4-(oxetan-2-yl)phenyl)-1,3,2-dioxaborolane 1883760-69-7 C15H21BO3
    —— 4-(Chloromethyl)-2-(2-fluoro-4-methoxyphenyl)-5-methyl-1,3-oxazole 1107663-75-1 C12H11ClFNO2
    —— 4-tert-butyl-N-[2-(2-cyano-pyridin-4-yl)-6-(2-hydroxy-ethoxy)-5-(2-methoxy-phenoxy)-pyrimidin-4-yl]-benzenesulphonamide 179669-15-9 C29H29N5O6S
    —— 4-chloro-N-[({2-[4-(7-cyclopropyl-2-methyl-1-oxo-1,2,3,4-tetrahydro-9H-beta-carbolin-9-yl)phenyl]ethyl}amino)carbonyl]benzenesulfonamide 1219497-45-6 C30H29ClN4O4S
    —— 4-methoxy-1-oxido-2-pyridylmethyl-[2-O-benzoyl-1-(6-N-benzoyladenin-9-yl)-5-O-dimethoxytrityl-β-D-ribofuranos-3-O-yl]methylphosphonate 1332729-11-9 C53H49N6O13P
    —— 4,4-dimethylpent-1-en-3-ylideneazanide;1,2,3,4,5-pentamethylcyclopenta-1,3-diene;titanium(4+) 165555-01-1 C27H41NTi
    —— 4-((4-((2,5-difluorophenyl)(hydrazineylidene)methyl)pyrimidin-2-yl)amino)benzonitrile 1330144-84-7 C18H12F2N6
    —— (4R,5R)-5-((R)-2-tert-Butylsulfanylcarbonyl-3-methyl-butyl)-4-cyclohexylmethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester 138588-21-3 C27H49NO4S
    —— (4-(4-chlorophenoxy)piperidin-1-yl)(2,6-dihydroxyphenyl)methanone 1304784-61-9 C18H18ClNO4
    —— 4-[(2-chloro-4-hydroxybenzyl)(4H-1,2,4-triazol-4-yl)amino]benzonitrile 1472068-04-4 C16H12ClN5O
    —— (4S,5S)-methyl 1-(diphenylphosphinoyl)-4,5-dimethyl-5-(2-thienyl)-2-thioxoimidazolidine-4-carboxylate 1309465-19-7 C23H23N2O3PS2
    —— (4S,1'R,2'E,6'E)-4,5-dihydro-4-(1'-hydroxy-2',6'-hexadecadienyl)-2-phenyl-1,3-oxazole 115018-42-3 C25H37NO2
    —— 4-[4-(4-hydroxymethyl-2-chloro-6-methylphenylamino)pyrimidin-4-ylamino]benzonitrile 500293-23-2 C19H16ClN5O
    —— 4-nitrobenzyl 2-((2R,3S)-3-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-2-(formylthio)-4-oxoazetidin-1-yl)-3-methylbut-2-enoate 1186219-02-2 C24H34N2O7SSi
    —— (4R,5R,6S)-4-N-benzylhydroxylamine-6-tert-butoxycarbonylamino-6N,5O-isopropylidene-8-methyl-2-vinyl-5-nonanol 219586-58-0 C26H42N2O4
    —— (4-(1-(5-chloro-2,4-bis(methoxymethoxy)benzoyl)pyrrolidin-2-yl)-3-methylphenyl)(3,3-difluoropyrrolidin-1-yl)methanone 1023888-15-4 C27H31ClF2N2O6
    —— 4-amino-6-(2-fluorophenyl)-2-(methylsulfanyl)pyrimidine-5-carbonitrile 562812-80-0 C12H9FN4S
    —— 4-tert-butyl 1-ethyl 3-ethoxy-5-phenyl-1H-1,2,4-triazole-1,4(5H)-dicarboxylate 1283750-13-9 C18H25N3O5
    —— 4-Trichlormethyl-5,6-dihydro-4H-pyrrolo<1,2-a><1,4>benzodiazepin 70250-99-6 C13H11Cl3N2
    —— 4-(4,5-dimethyl-[2]thienyl)-butyric acid 99172-80-2 C10H14O2S
    —— 4-hex-1-ynyl-2-isopropyl-6-methyl-pyrimidine 69696-12-4 C14H20N2
    —— [4-(1H-benzimidazol-2-yl)piperidin-1-yl](4-phenoxyphenyl)methanone 1234708-66-7 C25H23N3O2
    —— 4-(Dicyclohexylcarbamoyloxy)-3-oxo-2,5-diphenyl-2,3-dihydrothiophen-1,1-dioxid 69805-69-2 C29H33NO5S
    —— [4-(1-Ethoxy-ethoxy)-but-1-ynyl]-trimethyl-silane 72039-60-2 C11H22O2Si
    —— (4-ethenylphenyl)-difluoro-diphenyl-λ5-phosphane 70850-05-4 C20H17F2P
    —— 4-amino-N,N-dibutyl-3-nitrobenzenesulfonamide 32549-03-4 C14H23N3O4S
    —— (4-Cyclohexyl-phenyl)-[4-(4-cyclohexyl-phenyl)-3-hydroxy-5-oxo-5H-furan-(2E)-ylidene]-acetic acid methyl ester 54805-69-5 C31H34O5
    —— 4-Chlorbutyronitril<4,4-d(2)> 59987-88-1 C4H6ClN
    —— 4-tert-Butyl-m-methoxyphenyl-Zimtsaeureester 60711-38-8 C20H22O3
    —— 4,4'-Bi(bicyclo<3.2.1>oct-2-enyl 58519-69-0 C16H22
    —— 4-vinylbenzyl leucinate 1257241-25-0 C15H21NO2
    —— 4,8,8-Trimethyl-(E)-3,(E)-9-cyclodecadien-1-on 34889-75-3 C13H20O
    —— 4-chloro-2-phenyl-furo[3,2-<i>c</i>]pyridine-3-carboxylic acid ethyl ester 53255-19-9 C16H12ClNO3
    —— 4-(<i>O</i><sup>5</sup>-acetyl-β-<i>D</i>-ribofuranosyl)-1(2)<i>H</i>-pyrazole-3-carboxylic acid ethyl ester 56159-29-6 C13H18N2O7
    —— 4-(4-ethoxy-3-methyl-but-2-enyl)-morpholine 56184-78-2 C11H21NO2
    —— 4-[2-(2,3,5-trichloro-6-methyl-pyridine-4-sulfonyl)-ethyl]-morpholine 55733-77-2 C12H15Cl3N2O3S
    —— 4-(3,4-Dimethoxy-phenyl)-2-methyl-but-2-yl-hydroperoxide 34586-14-6 C13H20O4
    —— [4,6-bis-(3-ethyl-2-methyl-thiomorpholin-4-yl)-[1,3,5]triazin-2-yl]-tetradecyl-amine 41492-83-5 C31H58N6S2
    —— [4,4']bipyridinylidene-1,1'-dicarboxylic acid bis-dimethylamide 71190-54-0 C16H20N4O2
    —— 4-[(1S)-1-[[1-(2-cyclohexyloxyethyl)indole-7-carbonyl]amino]ethyl]benzoic acid 1196045-68-7 C26H30N2O4
    —— (4,6-Diamino-3,5-dicyano-pyridin-2-yl)-[(4-nitro-phenyl)-hydrazono]-acetic acid ethyl ester 125041-00-1 C17H14N8O4
    —— 4,4'-((2,5-diethynyl-1,4-phenylene)bis(ethyne-2,1-diyl))bis(N,N-dioctylaniline) 1426059-69-9 C58H80N2
    —— 4-(1H-benzoimidazol-2-ylsulfanyl)phenol 1257314-75-2 C13H10N2OS
    —— 4-deoxy-3-fluoro-8,9-O-isopropylidene-N-acetylneuraminic acid methyl ester 1214912-87-4 C15H24FNO8
    —— [4-[5-(4-methylphenyl)-3-phenyl-3,4-dihydropyrazol-2-yl]phenyl]-(4-nitrophenyl)diazene 105257-81-6 C28H23N5O2