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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— <<4(S)-methyl-3-(S)-((benzyloxy)formamido)-2-oxo-1-azetidinyl>thio>acetic acid 102652-82-4 C14H16N2O5S
    <<4(S)-methyl-3-(S)-((benzyloxy)formamido)-2-oxo-1-azetidinyl>thio>acetic acid
    —— 4,5-Dimethyl-1-(p-nitrophenyl)-pyrazol 13788-98-2 C11H11N3O2
    4,5-Dimethyl-1-(p-nitrophenyl)-pyrazol
    —— 4-(7-chloro-1-methyl-1H-indazol-3-yl)benzene-1,2-diol 680613-45-0 C14H11ClN2O2
    4-(7-chloro-1-methyl-1H-indazol-3-yl)benzene-1,2-diol
    —— 4-[2-(2-Methyl-1,3-dioxolan-2-yl)ethyl]-1-oxaspiro[2.5]octane 1316889-26-5 C13H22O3
    4-[2-(2-Methyl-1,3-dioxolan-2-yl)ethyl]-1-oxaspiro[2.5]octane
    —— 4,5-diphenyl-2-(trifluoromethyl)-2H-1,2,3-triazole 1392498-77-9 C15H10F3N3
    4,5-diphenyl-2-(trifluoromethyl)-2H-1,2,3-triazole
    —— 4'-n-Octyloxyphenyl 4-aminobenzoate 163855-95-6 C21H27NO3
    4'-n-Octyloxyphenyl 4-aminobenzoate
    —— 4-(1,1,1-trifluoro-5-phenylpentan-2-yl)morpholine 122982-98-3 C15H20F3NO
    4-(1,1,1-trifluoro-5-phenylpentan-2-yl)morpholine
    —— 4-benzyl-6-(4-bromo-phenyl)-[1,4]oxazepane 1246456-14-3 C18H20BrNO
    4-benzyl-6-(4-bromo-phenyl)-[1,4]oxazepane
    —— 4-[5-(6-aminopyridin-3-ylethynyl)-6-methylpyrimidin-4-yl]piperazine-1-carboxylic acid tert-butyl ester 1321873-24-8 C21H26N6O2
    4-[5-(6-aminopyridin-3-ylethynyl)-6-methylpyrimidin-4-yl]piperazine-1-carboxylic acid tert-butyl ester
    —— (4aR,6R,8aS)-8a-(2,4-difluorophenyl)-6-(2,3-dihydro-1-benzofuran-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine 1622328-19-1 C21H20F2N2O2S
    (4aR,6R,8aS)-8a-(2,4-difluorophenyl)-6-(2,3-dihydro-1-benzofuran-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-amine
    —— 4-Chlor-N-aethyl-5-sulfonylmetanilsaeure 22893-17-0 C9H11ClN2O4S
    4-Chlor-N-aethyl-5-sulfonylmetanilsaeure
    —— 4-{[1-ethyl-5-(1,9,12-trioxa-2-azadispiro[4.2.4.2]tetradec-2-en-3-yl)-1H-pyrazolo[3,4-b]pyridin-4-yl]amino}cyclohexanol 1057633-96-1 C24H33N5O4
    4-{[1-ethyl-5-(1,9,12-trioxa-2-azadispiro[4.2.4.2]tetradec-2-en-3-yl)-1H-pyrazolo[3,4-b]pyridin-4-yl]amino}cyclohexanol
    —— 4-methyl-N-[5-(4-methylphenyl)-2,2-diphenylpent-4-ynyl]benzenesulfonamide 1262769-09-4 C31H29NO2S
    4-methyl-N-[5-(4-methylphenyl)-2,2-diphenylpent-4-ynyl]benzenesulfonamide
    —— 4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-3-[2-(1,3-dioxo-1,3-dihydroisoindol-2-yl)ethoxy]benzoic acid methyl ester 1329166-70-2 C23H24BNO7
    4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-3-[2-(1,3-dioxo-1,3-dihydroisoindol-2-yl)ethoxy]benzoic acid methyl ester
    —— (4S)-4-(N-benzyloxycarbonyl-2-aminoethyl)-2-(2-fluorophenyl)imidazoline hydrochloride 1269488-25-6 C19H20FN3O2*ClH
    (4S)-4-(N-benzyloxycarbonyl-2-aminoethyl)-2-(2-fluorophenyl)imidazoline hydrochloride
    —— 4-cyano-6-fluoro-4-hydroxy-4H-2,3-dihydrobenzothiopyran 83270-14-8 C10H8FNOS
    4-cyano-6-fluoro-4-hydroxy-4H-2,3-dihydrobenzothiopyran
    —— 4-(4-Bromophenyl)-1-cyclopentylpiperidin-4-ol 538324-18-4 C16H22BrNO
    4-(4-Bromophenyl)-1-cyclopentylpiperidin-4-ol
    —— 4,8-anhydro-5,6,7,9-tetra-O-benzyl-2,3-dideoxy-2-C-methyl-D-erythro-L-galacto-nonose 136737-95-6 C38H42O6
    4,8-anhydro-5,6,7,9-tetra-O-benzyl-2,3-dideoxy-2-C-methyl-D-erythro-L-galacto-nonose
    —— 4-[3-(2,4-dichloro-phenyl)-2-(2,4-dichloro-phenylimino)-4-oxo-thiazolidin-5-yl]-benzenesulfonamide 52476-58-1 C21H13Cl4N3O3S2
    4-[3-(2,4-dichloro-phenyl)-2-(2,4-dichloro-phenylimino)-4-oxo-thiazolidin-5-yl]-benzenesulfonamide
    —— (4R,4'R,7R,7'R)-7,7'-Bis((R,E)-11-chloro-1-(methoxymethoxy)undec-2-en-1-yl)-4,4',7,7'-tetrahydro-4,4'-bi(1,3-dioxepine) 1427381-84-7 C36H60Cl2O8
    (4R,4'R,7R,7'R)-7,7'-Bis((R,E)-11-chloro-1-(methoxymethoxy)undec-2-en-1-yl)-4,4',7,7'-tetrahydro-4,4'-bi(1,3-dioxepine)
    —— 4,4'-bis(p-tolylsulfonyloxy)-3,3',5,5'-tetraisopropyldiphenylamine 112104-39-9 C38H47NO6S2
    4,4'-bis(p-tolylsulfonyloxy)-3,3',5,5'-tetraisopropyldiphenylamine
    —— (4-Chloro-phenyl)-cyclooctylidene-amine 205191-21-5 C14H18ClN
    (4-Chloro-phenyl)-cyclooctylidene-amine
    —— (4-Amino-4-carboxybutyl)-trimethyl-ammonium 45028-86-2 C8H19N2O2
    (4-Amino-4-carboxybutyl)-trimethyl-ammonium
    —— 4-Nitro-benzenesulfonic acid ((E)-3-cyclooct-1-enyl)-propyl ester 57671-02-0 C17H23NO5S
    4-Nitro-benzenesulfonic acid ((E)-3-cyclooct-1-enyl)-propyl ester
    —— (4aS,7bS)-4a,7b-Dihydroxy-decahydro-cyclopenta[cd]inden-5-one 57822-10-3 C11H16O3
    (4aS,7bS)-4a,7b-Dihydroxy-decahydro-cyclopenta[cd]inden-5-one
    —— (4-(5-amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl)piperazin-1-yl)(piperidin-1-yl)methanone 1225061-20-0 C22H26N8O2
    (4-(5-amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl)piperazin-1-yl)(piperidin-1-yl)methanone
    —— (4-Hexyl-[1,4]diazepan-1-yl)-(4-isobutyl-phenyl)-methanone 54326-70-4 C22H36N2O
    (4-Hexyl-[1,4]diazepan-1-yl)-(4-isobutyl-phenyl)-methanone
    —— 4-Carboxy-1-phenyl-5-(3-methyl-5-isopropyl-1,2,4-triazol-4-yl)-pyrazol 51649-72-0 C16H17N5O2
    4-Carboxy-1-phenyl-5-(3-methyl-5-isopropyl-1,2,4-triazol-4-yl)-pyrazol
    —— (4-Hydroxy-2,5-dimethyl-piperidin-4-yl)-phosphonic acid ethyl ester propyl ester 58458-95-0 C12H26NO4P
    (4-Hydroxy-2,5-dimethyl-piperidin-4-yl)-phosphonic acid ethyl ester propyl ester
    —— 4-(1-Acetoxyethyl)-pyridin-N-oxid 55577-74-7 C9H11NO3
    4-(1-Acetoxyethyl)-pyridin-N-oxid
    —— 4-benzylideneamino-6-<i>tert</i>-butyl-4<i>H</i>-[1,2,4]triazin-5-one 62191-37-1 C14H16N4O
    4-benzylideneamino-6-<i>tert</i>-butyl-4<i>H</i>-[1,2,4]triazin-5-one
    —— 4-hydroxymethyl-2-β-<i>D</i>-ribofuranosyl-2<i>H</i>-pyrazole-3-carboxylic acid amide 60659-31-6 C10H15N3O6
    4-hydroxymethyl-2-β-<i>D</i>-ribofuranosyl-2<i>H</i>-pyrazole-3-carboxylic acid amide
    —— 4-Amino-<5-<sup>14</sup>C>-formamidouracil 61603-16-5 C5H6N4O3
    4-Amino-<5-<sup>14</sup>C>-formamidouracil
    —— (4aβ,8aβ)-octahydro-(1S)-1α-methyl-5β,8β-methano-3H-2-benzopyran-3-one 129569-60-4 C11H16O2
    (4aβ,8aβ)-octahydro-(1S)-1α-methyl-5β,8β-methano-3H-2-benzopyran-3-one
    —— 4-chlorophenylhydrazinylsulfonic acid sodium salt 68327-54-8 C6H6ClN2O3S*Na
    4-chlorophenylhydrazinylsulfonic acid sodium salt
    —— 4-(2-formyl-5-methoxy-phenoxy)-but-2-enoic acid tert-butyl ester 845749-03-3 C16H20O5
    4-(2-formyl-5-methoxy-phenoxy)-but-2-enoic acid tert-butyl ester
    —— 4-amino-2-{4,6-bis(isobutylamino)-[1,3,5]triazin-2-ylamino}benzamide 1319212-83-3 C18H28N8O
    4-amino-2-{4,6-bis(isobutylamino)-[1,3,5]triazin-2-ylamino}benzamide
    —— 4-(Dimethylphosphino)-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-4λ<sup>5</sup>-phosphaspiro<3.3>heptan-2,6-dion 107855-87-8 C8H18N4O2P2
    4-(Dimethylphosphino)-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-4λ<sup>5</sup>-phosphaspiro<3.3>heptan-2,6-dion
    —— 4,4'-Bis(1-oxo-1,2,3,4-tetrahydro-8-hydroxyanthrachinon) 59482-94-9 C28H18O8
    4,4'-Bis(1-oxo-1,2,3,4-tetrahydro-8-hydroxyanthrachinon)
    —— 4H-1-Benzopyran-4-one, 6-bromo-2-(2-iodophenyl)-,(2,4-dinitrophenyl)hydrazone 902149-19-3 C21H12BrIN4O5
    4H-1-Benzopyran-4-one, 6-bromo-2-(2-iodophenyl)-,(2,4-dinitrophenyl)hydrazone
    —— {4-[(3-ethyl-3H-benzoxazol-2-yliden)-ethylidene]-3-methyl-5-oxo-4,5-dihydro-thiazol-2-yl}-(3-methyl-4,5-dihydro-thiazol-2-yl)-methinium ; iodide 107422-48-0 C20H22N3O2S2*I
    {4-[(3-ethyl-3H-benzoxazol-2-yliden)-ethylidene]-3-methyl-5-oxo-4,5-dihydro-thiazol-2-yl}-(3-methyl-4,5-dihydro-thiazol-2-yl)-methinium ; iodide
    —— 4,4'-dimethyl-2,2'-(2-thia-propane-1,3-diyl)-bis-thiazole 4874-78-6 C10H12N2S3
    4,4'-dimethyl-2,2'-(2-thia-propane-1,3-diyl)-bis-thiazole
    —— (4-methoxyphenyl)methyl N-[2-methyl-5-(2-methylphenyl)pyrazol-3-yl]carbamate 1354399-16-8 C20H21N3O3
    (4-methoxyphenyl)methyl N-[2-methyl-5-(2-methylphenyl)pyrazol-3-yl]carbamate
    —— 4-Methoxy-3-(piperazine-1-carbonyl)-benzenesulfonamide; hydrochloride 102535-26-2 C12H17N3O4S*ClH
    4-Methoxy-3-(piperazine-1-carbonyl)-benzenesulfonamide; hydrochloride
    —— 4-((1R,2R)-2-(tert-Butyldimethylsilyloxy)-1-(5-(3-chloro-4-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)propylamino)-2-chloro-3-methylbenzonitrile 1182367-73-2 C25H30Cl2N4O3Si
    4-((1R,2R)-2-(tert-Butyldimethylsilyloxy)-1-(5-(3-chloro-4-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)propylamino)-2-chloro-3-methylbenzonitrile
    —— 4-(4-chloro-phenyl)-2-(3-hydroxy-propyl)-2<i>H</i>-phthalazin-1-one 20072-33-7 C17H15ClN2O2
    4-(4-chloro-phenyl)-2-(3-hydroxy-propyl)-2<i>H</i>-phthalazin-1-one
    —— 4-[3-(3,4-Dimethoxy-phenyl)-4,5-dihydro-3H-pyrrol-3-yl]-butan-2-one 114634-50-3 C16H21NO3
    4-[3-(3,4-Dimethoxy-phenyl)-4,5-dihydro-3H-pyrrol-3-yl]-butan-2-one
    —— 4-(4-{4-[(S)-2-Benzyloxycarbonyl-2-(4-carboxy-benzenesulfonylamino)-ethyl]-phenoxy}-butyl)-piperidine-1-carboxylic acid benzyl ester 464175-18-6 C40H44N2O9S
    4-(4-{4-[(S)-2-Benzyloxycarbonyl-2-(4-carboxy-benzenesulfonylamino)-ethyl]-phenoxy}-butyl)-piperidine-1-carboxylic acid benzyl ester
    —— 4-(2-(3,5-dimethylisoxazol-4-yl)-1,4,5,6-tetrahydrocyclopenta[b]pyrrol-3-yl)phenol 1402652-13-4 C18H18N2O2
    4-(2-(3,5-dimethylisoxazol-4-yl)-1,4,5,6-tetrahydrocyclopenta[b]pyrrol-3-yl)phenol
    —— 4-methyl-4-<2-<trimethylsilyl)methyl>allyl>-2-cyclohexen-1-one 87603-69-8 C14H24OSi
    4-methyl-4-<2-<trimethylsilyl)methyl>allyl>-2-cyclohexen-1-one