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    中文名称 英文名称 CAS号 化学式
    —— 4-Benzofuran-3-yl-morpholine; compound with perchloric acid 56639-97-5 C12H13NO2*ClHO4
    —— 4,4-dimethyl-3-oxo-pentanal; lithium (<i>E</i>)-1-enolate 42731-33-9 C7H11O2*Li
    —— 4-Chloro-N-(4-chloro-phenyl)-2-cyclohexylideneamino-benzamide 42322-09-8 C19H18Cl2N2O
    —— 4-(2-Chlor-4-isocyanatophenoxy)-benzoylchlorid 53212-19-4 C14H7Cl2NO3
    —— 4-(diethylamino-methyl)-3-morpholin-4-yl-sydnone 26807-30-7 C11H20N4O3
    —— 4-(5-oxo-2,3,6,7,8,9-hexahydro-5<i>H</i>-imidazo[2,1-<i>b</i>]quinazolin-10-yl)-benzonitrile 34659-53-5 C17H16N4O
    —— 4'(5')-(2-Benzimidazolo)-1,2-naphthoylenbenzimidazol 42280-75-1 C25H14N4O
    —— 4-Chloro-benzoic acid 5-chloro-2-(toluene-4-sulfonylamino)-phenyl ester 61860-94-4 C20H15Cl2NO4S
    —— 4-((3R,5S,7R,10S,12S,13R,17R)-3,7-Diacetoxy-12-methoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentanoic acid methyl ester 54852-53-8 C30H48O7
    —— 4-((3R,5S,7R,10S,12S,13R,17R)-3,7-Dihydroxy-12-methoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl)-pentanoic acid methyl ester 54852-54-9 C26H44O5
    —— 4-amino-<i>N</i>-[6-chloro-2-methylsulfanyl-5-(4-propoxy-benzyl)-pyrimidin-4-yl]-benzenesulfonamide 52100-10-4 C21H23ClN4O3S2
    —— 4-indol-2-ylmethylene-piperidine-1-carboxylic acid 2,2,2-trichloro-ethyl ester 41979-63-9 C17H17Cl3N2O2
    —— 4-<N-(4-p-Toluolsulfonyl)-carbamoyloxy-methyl>-1-phospha-2,6,7-trioxabicyclo <2.2.2>octan-1-sulfid 799-85-9 C13H16NO7PS2
    —— 4-Cyclohexyl-2-hydroxy-6-oxo-1,6-dihydro-pyridine-3-sulfonic acid 39120-68-8 C11H15NO5S
    —— 4-[1-(1,3-thiazol-4-ylcarbonyl)azetidin-3-yl]-1-({4-[4-(trifluoromethyl)benzyl]phenyl}carbonyl)piperidine 1373356-08-1 C27H26F3N3O2S
    —— 4’-azido-2’-deoxy-2’-α-fluoro-2’-β-methylcytidine 1158728-75-6 C10H13FN6O4
    —— (4-(2-amino-6-phenylthieno[2,3-d]pyrimidin-4-yl)-1,4-diazepan-1-yl)(4-chlorophenyl)methanone 1245320-37-9 C24H22ClN5OS
    —— 4-Phenyl-N-nitro-N-methylanilin 23042-34-4 C13H12N2O2
    —— 4-cyano-N-{3-[2-(4-hydroxybutyl)-3,5-dimethoxyphenylamino]quinoxalin-2-yl}benzenesulfonamide 1373665-86-1 C27H27N5O5S
    —— 4-[4-(4-fluoro-phenyl)-piperazin-1-yl]-1-thiophen-2-yl-butan-1-ol 1427-60-7 C18H23FN2OS
    —— 4-[1,2,3,4-Tetrachloro-7-(3-hydroxy-butoxy)-5-phenyl-bicyclo[2.2.1]hept-2-en-7-yloxy]-butan-2-ol 3642-45-3 C21H26Cl4O4
    —— 4-Oxo-1-((Z)-propenyl)-4,6,7,8-tetrahydro-1H-cyclopenta[g]quinoline-3-carboxylic acid 34598-07-7 C16H15NO3
    —— 4-Chlor-17α-ethinyltestosteronacetat 103937-32-2 C23H29ClO3
    —— 4-(Bis-aziridin-1-yl-methylene)-1,2-diphenyl-pyrazolidine-3,5-dione 95695-74-2 C20H18N4O2
    —— 4-Bromo-5-chloro-2-(4-nitro-phenoxy)-phenol 36859-62-8 C12H7BrClNO4
    —— 4-{(R)-1-[3-(2-methoxypyrimidin-5-yl)-[1,2,4]oxadiazol-5-yl]ethoxy}piperidine-1-carboxylic acid isopropyl ester 1245078-81-2 C18H25N5O5
    —— 4-(2-hydroxy-1-[3-(4-bromo-benzoylamino)phenyl]ethylamino)-quinazoline-8-carboxylic acid amide 1240477-24-0 C24H20BrN5O3
    —— 4-((1S,2S)-1,2-dihydroxypropyl)-6-(4-(4-fluorophenoxy)phenyl)picolinamide 1367125-65-2 C21H19FN2O4
    —— [(4-chlorobenzoyl)-methylamino] benzenesulfinate 106531-24-2 C14H12ClNO3S
    —— 4-{4-[5-(4-Methyl-piperazin-1-yl)-1H,3'H-[2,5']bibenzoimidazolyl-2'-yl]-phenoxy}-butyric acid benzyl ester 682809-59-2 C36H36N6O3
    —— 4,7-diamino-2-(4-methoxy-phenyl)-pteridine-6-carbohydrazonic acid amide 96876-50-5 C14H15N9O
    —— 4-(2-{3,5-dichloro-2-oxo-6-[(E)-2-(3-propylphenyl)vinyl]pyridine-1(2H)-yl}ethyl)benzoic acid 1091596-67-6 C25H23Cl2NO3
    —— 4,5,6,7-Tetrachlor-benzoxazol-carbonsaeure-(2)-aethylester 90947-72-1 C10H5Cl4NO3
    —— 4,4,8,8-Tetramethyl-1-o-tolyl-2,4,5,7,8,9-hexahydro-3H-pyrrolo[2,3,4-kl]acridin-10-one 118933-76-9 C25H28N2O
    —— 4-(2-(2-((3-amino-2-methylpropyl)amino)ethyl)-3,6,6-trimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)-2-bromobenzonitrile 1301177-48-9 C24H31BrN4O
    —— 4-Amino-N-(3,4-dimethyl-isoxazol-5-yl)-N-(2-methoxy-acetyl)-benzenesulfonamide 21561-25-1 C14H17N3O5S
    —— 4-(3-amino-4-dibenzo[b,d]thiophen-2-yl-1H-pyrazolo[4,3-c]pyridin-6-yl)benzoic acid 1266160-51-3 C25H16N4O2S
    —— [4-(2-Methyl-thiazol-4-yl)-phenyl]-[1-(5-nitro-furan-2-yl)-meth-(E)-ylidene]-amine 54883-24-8 C15H11N3O3S
    —— 4-methoxy-benzoic acid 4-(2-pyrazinyl-vinyl)-phenyl ester 52686-50-7 C20H16N2O3
    —— 4-Formyl-p-quarterphenyl 3365-15-9 C25H18O
    —— 4-(3-dimethylamino-propyl)-8-ethyl-2-methyl-4<i>H</i>,8<i>H</i>-pyrazolo[1,5-<i>a</i>]pyrazolo[4',3':5,6]pyrido[3,4-<i>e</i>]pyrimidin-5-one 64579-94-8 C18H23N7O
    —— 4-(2,2-dimethoxyethyl)-4-methoxy-1,3-dioxolane 79923-30-1 C8H16O5
    —— 4-amino-<i>N</i>-[5-(4-isopropoxy-benzyl)-6-methoxy-2-methylsulfanyl-pyrimidin-4-yl]-benzenesulfonamide 52100-17-1 C22H26N4O4S2
    —— 4,9-dibenzoyl-7-chloro-3a,4,9,9a-tetrahydro-1<i>H</i>-cyclopenta[<i>b</i>]quinoxaline 54705-51-0 C25H19ClN2O2
    —— 4,4'-dichloro-4,4'-(1,1-dioxo-tetrahydro-1λ<sup>6</sup>-thiophene-2,5-diyl)-bis-butyric acid dimethyl ester 53084-42-7 C14H22Cl2O6S
    —— 4-chloro-benzaldehyde (1-benzyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidin-4-yl)-methyl-hydrazone 52197-52-1 C19H17ClN4O2
    —— 4-(4-Nitro-phenyl)-[1,8]naphthyridine-2,7-diol 53734-95-5 C14H9N3O4
    —— (+/-)-4-(4'-Methyl-3'-cyclohexenyl)-3E-penten-2-ol 60520-01-6 C12H20O
    —— 4-methyl-pyrazolidine-1-carboxylic acid cyclohexylamide 40028-77-1 C11H21N3O
    —— 4-(α-hydroxy-α,α-dicarbethoxy)methyl-1,5-naphthyridine 1-oxide 79426-13-4 C15H16N2O6