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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2,4-Dichlorphenoxy)-2,6-dimethylpyridin 28232-03-3 C13H11Cl2NO
    4-(2,4-Dichlorphenoxy)-2,6-dimethylpyridin
    —— 4-phenyl-1-(phenylhydrazono-methyl)-benzo[<i>f</i>]quinolinium 47615-54-3 C26H20N3
    4-phenyl-1-(phenylhydrazono-methyl)-benzo[<i>f</i>]quinolinium
    —— 4-Methyl-pentanoic acid [2-(4-benzyloxy-3-methoxy-phenyl)-ethyl]-amide 30008-25-4 C22H29NO3
    4-Methyl-pentanoic acid [2-(4-benzyloxy-3-methoxy-phenyl)-ethyl]-amide
    —— 4-[6-(4-butyl-phenyl)-7-fluoro-1H-indol-2-yl]-benzoic acid 926634-46-0 C25H22FNO2
    4-[6-(4-butyl-phenyl)-7-fluoro-1H-indol-2-yl]-benzoic acid
    —— 4-Bromo-benzenesulfonic acid 2,2-dimethyl-2H-chromen-7-yl ester 130208-87-6 C17H15BrO4S
    4-Bromo-benzenesulfonic acid 2,2-dimethyl-2H-chromen-7-yl ester
    —— 4-[1-(tert-butoxycarbonylamino)ethyl]-1-(4-chloro-5-isoquinolinesulfonyl)piperidine 1055264-69-1 C21H28ClN3O4S
    4-[1-(tert-butoxycarbonylamino)ethyl]-1-(4-chloro-5-isoquinolinesulfonyl)piperidine
    —— 4-[4-(2-methyl-3,4-dihydroquinolin-1(2H)-yl)-4-oxobutoxy]indan-1-one 878291-51-1 C23H25NO3
    4-[4-(2-methyl-3,4-dihydroquinolin-1(2H)-yl)-4-oxobutoxy]indan-1-one
    —— 4-(3-(4-methyl-1,2,3-thiadiazol-5-yl)-4-(4-(1-propylazetidin-3-yloxy)phenyl)isoxazol-5-yl)phenol hydrochloride 1383929-20-1 C24H24N4O3S*ClH
    4-(3-(4-methyl-1,2,3-thiadiazol-5-yl)-4-(4-(1-propylazetidin-3-yloxy)phenyl)isoxazol-5-yl)phenol hydrochloride
    —— 4-[(3-chloro-4-fluorophenyl)amino]-6-[1-(4-formyl-1-piperazinylcarbonyl)ethylamino]pyrimido[5,4-d]pyrimidine 1230872-24-8 C20H20ClFN8O2
    4-[(3-chloro-4-fluorophenyl)amino]-6-[1-(4-formyl-1-piperazinylcarbonyl)ethylamino]pyrimido[5,4-d]pyrimidine
    —— 4'-acetyloxybut-1-yl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-acetyl-β-D-glucopyranoside 1377187-25-1 C32H46O20
    4'-acetyloxybut-1-yl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->6)-2,3,4-tri-O-acetyl-β-D-glucopyranoside
    —— 4-pyridin-3-yl-6-pyridin-4-yl-1,3,5-triazin-2-amine 119294-47-2 C13H10N6
    4-pyridin-3-yl-6-pyridin-4-yl-1,3,5-triazin-2-amine
    —— 4-hydroxy-N'-[(4-hydroxyphenyl)carbonyl]-2H-1,2-benzothiazine-3-carbohydrazide-1,1-dioxide 1421621-63-7 C16H13N3O6S
    4-hydroxy-N'-[(4-hydroxyphenyl)carbonyl]-2H-1,2-benzothiazine-3-carbohydrazide-1,1-dioxide
    —— 4-azido-1,2-O-isopropylidene-α-D-glucopyranose 945743-61-3 C9H15N3O5
    4-azido-1,2-O-isopropylidene-α-D-glucopyranose
    —— (4aR,4bS,6aS,7S,7aS,8aS,8bS,8cR,8dR,9aR)-4a,6a-dimethyl-2,5'-dioxo-2,3,4,4a,4b,4',5,5',6,6a,7a,8,8a,8b,8c,8d,9,9a-octadecahydro-3'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-7,2'-furan]-4'-carboxylic acid 1015063-83-8 C25H30O5
    (4aR,4bS,6aS,7S,7aS,8aS,8bS,8cR,8dR,9aR)-4a,6a-dimethyl-2,5'-dioxo-2,3,4,4a,4b,4',5,5',6,6a,7a,8,8a,8b,8c,8d,9,9a-octadecahydro-3'H-spiro[cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthrene-7,2'-furan]-4'-carboxylic acid
    —— (4R,5R,8R,11R,14S,17R)-14-benzyl-4,5-dihydroxy-3,6,9,12,15-pentaoxo-11-[(4-phenylphenyl)methyl]-8-(thiophen-2-ylmethyl)-2,7,10,13,16-pentazabicyclo[17.2.2]tricosa-1(21),19,22-triene-17-carboxylic acid 1211439-60-9 C44H43N5O9S
    (4R,5R,8R,11R,14S,17R)-14-benzyl-4,5-dihydroxy-3,6,9,12,15-pentaoxo-11-[(4-phenylphenyl)methyl]-8-(thiophen-2-ylmethyl)-2,7,10,13,16-pentazabicyclo[17.2.2]tricosa-1(21),19,22-triene-17-carboxylic acid
    —— 4-(2-Methyl-2H-pyrazol-3-yl)-6-(2-quinolin-2-yl-ethyl)-6,7-dihydro-pyrrolo[3,4-b]pyridin-5-one hydrochloride 1417182-31-0 C22H19N5O*ClH
    4-(2-Methyl-2H-pyrazol-3-yl)-6-(2-quinolin-2-yl-ethyl)-6,7-dihydro-pyrrolo[3,4-b]pyridin-5-one hydrochloride
    —— 4-amino-6-(4-chloro-2-fluoro-3-methoxyphenyl)-5-fluoro-3-methoxypicolinic acid 1417331-60-2 C14H11ClF2N2O4
    4-amino-6-(4-chloro-2-fluoro-3-methoxyphenyl)-5-fluoro-3-methoxypicolinic acid
    —— (4R)-4-benzylsulfanyl-2-(2-chlorophenyl)-4-methyl-1,3-oxazol-5-one 1537899-52-7 C17H14ClNO2S
    (4R)-4-benzylsulfanyl-2-(2-chlorophenyl)-4-methyl-1,3-oxazol-5-one
    —— 4-morpholin-4-ylmethyl-1-phenyl-1,2-dihydro-pyrazol-3-one 35000-58-9 C14H17N3O2
    4-morpholin-4-ylmethyl-1-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4-Chlor-1-(p-jod-phenyl)-2-methyl-buten-(2) 22272-59-9 C11H12ClI
    4-Chlor-1-(p-jod-phenyl)-2-methyl-buten-(2)
    —— 4-(trimethylsilyl)-2-chloronitrobenzene 78627-96-0 C9H12ClNO2Si
    4-(trimethylsilyl)-2-chloronitrobenzene
    —— 4-{1-[(Z)-Benzylimino]-ethyl}-3-phenyl-4H-isoxazol-5-one 50401-49-5 C18H16N2O2
    4-{1-[(Z)-Benzylimino]-ethyl}-3-phenyl-4H-isoxazol-5-one
    —— 4-(8,8-Dioxo-9-vinyl-8λ<sup>6</sup>-thia-bicyclo[5.2.0]non-1-yl)-morpholine 35721-57-4 C14H23NO3S
    4-(8,8-Dioxo-9-vinyl-8λ<sup>6</sup>-thia-bicyclo[5.2.0]non-1-yl)-morpholine
    —— 4-[1-(4-chloro-benzyl)-5-methoxy-2-methyl-1<i>H</i>-indol-3-ylmethylene]-1,2-diphenyl-pyrazolidine-3,5-dione 32542-75-9 C33H26ClN3O3
    4-[1-(4-chloro-benzyl)-5-methoxy-2-methyl-1<i>H</i>-indol-3-ylmethylene]-1,2-diphenyl-pyrazolidine-3,5-dione
    —— 4-Brom-penten-(3)-in-(1) 24332-34-1 C5H5Br
    4-Brom-penten-(3)-in-(1)
    —— 4,5,6,7,7-Pentachlor-hepta-4c,6-dien-2-in-1-saeure 27767-69-7 C7HCl5O2
    4,5,6,7,7-Pentachlor-hepta-4c,6-dien-2-in-1-saeure
    —— 4-(4-nitro-phenyl)-6-<i>p</i>-tolyl-1<i>H</i>-[1,3,5]triazine-2-thione 32709-88-9 C16H12N4O2S
    4-(4-nitro-phenyl)-6-<i>p</i>-tolyl-1<i>H</i>-[1,3,5]triazine-2-thione
    —— 4-[(E)-3-(4-Diethylamino-phenyl)-acryloyl]-3-phenyl-4H-isoxazol-5-one 50401-46-2 C22H22N2O3
    4-[(E)-3-(4-Diethylamino-phenyl)-acryloyl]-3-phenyl-4H-isoxazol-5-one
    —— 4-chloro-[1,10]phenanthroline-2-carbaldehyde phenylhydrazone 33730-03-9 C19H13ClN4
    4-chloro-[1,10]phenanthroline-2-carbaldehyde phenylhydrazone
    —— 4-Methyl-5-acetoxy-6,7-(2',2'-dimethyl-dihydropyrano)-cumarin 27305-33-5 C17H18O5
    4-Methyl-5-acetoxy-6,7-(2',2'-dimethyl-dihydropyrano)-cumarin
    —— 4-(2-chlorophenyl)quinolin-2(1H)-one 1361194-53-7 C15H10ClNO
    4-(2-chlorophenyl)quinolin-2(1H)-one
    —— 4-(2,4-dioxo-oxazolidin-3-yl)-benzoic acid ethyl ester 99988-79-1 C12H11NO5
    4-(2,4-dioxo-oxazolidin-3-yl)-benzoic acid ethyl ester
    —— 4,13-Dioxa-2-azabicyclo[15.4.0]henicosa-1(21),17,19-trien-15-yn-3-one 1580503-94-1 C18H23NO3
    4,13-Dioxa-2-azabicyclo[15.4.0]henicosa-1(21),17,19-trien-15-yn-3-one
    —— 4-amino-3-hydroxy-7-methoxy-naphthalene-1-sulfonic acid 82770-56-7 C11H11NO5S
    4-amino-3-hydroxy-7-methoxy-naphthalene-1-sulfonic acid
    —— (4R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine 131214-07-8 C16H17NO2
    (4R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine
    —— 4',5,7-trihydroxy-8-(tert-butylamino)-2-phenyl-4H-chromen-4-one 1424957-87-8 C20H21NO5
    4',5,7-trihydroxy-8-(tert-butylamino)-2-phenyl-4H-chromen-4-one
    —— 4(R)-acetoxy-1-<5-(benzyloxy)-2,2-dimethylpent-3(E)-en-1yl>-5-hydroxy-2-pyrrolidinone 86545-49-5 C20H27NO5
    4(R)-acetoxy-1-<5-(benzyloxy)-2,2-dimethylpent-3(E)-en-1yl>-5-hydroxy-2-pyrrolidinone
    —— 4-(1-cyclohexylidenepropyl)-3-methoxy-7-methyl-1H-isochromen-1-one 1448159-04-3 C20H24O3
    4-(1-cyclohexylidenepropyl)-3-methoxy-7-methyl-1H-isochromen-1-one
    —— 4'-((1R)-3-(1-methyl-6-oxopiperidin-3-yl)-3-oxo-1-o-tolylpropyl)biphenyl-4-carboxylic acid 1431972-45-0 C29H29NO4
    4'-((1R)-3-(1-methyl-6-oxopiperidin-3-yl)-3-oxo-1-o-tolylpropyl)biphenyl-4-carboxylic acid
    —— 4-((bis(2-hydroxyethyl)amino)methyl)-N-(4-chloro-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenyl)-2-fluorobenzamide 1436421-32-7 C25H31ClF4N4O3
    4-((bis(2-hydroxyethyl)amino)methyl)-N-(4-chloro-2-(4-(3,3,3-trifluoropropyl)piperazin-1-yl)phenyl)-2-fluorobenzamide
    —— 4-(4-chlorobutyl)piperidine-1-carboxylic acid benzyl ester 464175-15-3 C17H24ClNO2
    4-(4-chlorobutyl)piperidine-1-carboxylic acid benzyl ester
    —— 4-(5-(4-fluorophenyl)-4-(4-methoxyphenyl)oxazol-2-yl)piperidine 951744-58-4 C21H21FN2O2
    4-(5-(4-fluorophenyl)-4-(4-methoxyphenyl)oxazol-2-yl)piperidine
    —— 4-Methoxy-3-benzo<b>thienylessigsaeure 16240-54-3 C11H10O3S
    4-Methoxy-3-benzo<b>thienylessigsaeure
    —— 4-Methoxy-8-benzoylacetamido-chinaldin 27337-64-0 C20H18N2O3
    4-Methoxy-8-benzoylacetamido-chinaldin
    —— 4-Isobutyl-2-mesityl-2-oxazolin-5-on 79137-64-7 C16H21NO2
    4-Isobutyl-2-mesityl-2-oxazolin-5-on
    —— 4-[(2R)-4-(2-bromoethyl)-2-(4-chlorophenyl)piperazin-1-yl]-3-chlorobenzonitrile 1427715-52-3 C19H18BrCl2N3
    4-[(2R)-4-(2-bromoethyl)-2-(4-chlorophenyl)piperazin-1-yl]-3-chlorobenzonitrile
    —— 4-methoxy-2-(prop-1-en-2-yl)benzaldehyde 73621-35-9 C11H12O2
    4-methoxy-2-(prop-1-en-2-yl)benzaldehyde
    —— 4,3'-spiro(ethyl 3-acetyl-6-amino-1-phenyl-1,4-dihydropyridazine-5-carboxylate)-2'-oxindole 1155873-30-5 C22H20N4O4
    4,3'-spiro(ethyl 3-acetyl-6-amino-1-phenyl-1,4-dihydropyridazine-5-carboxylate)-2'-oxindole
    —— 4-(2-phenylethylamino)-5,6,7,8,9,10-hexahydrocycloocta[4,5]thieno[2,3-d]pyrimidine 1394894-08-6 C20H23N3S
    4-(2-phenylethylamino)-5,6,7,8,9,10-hexahydrocycloocta[4,5]thieno[2,3-d]pyrimidine
    —— 4-(carboxyvinyl)[4](1,1')[4](2,2')ferrocenophane 82161-63-5 C21H24FeO2
    4-(carboxyvinyl)[4](1,1')[4](2,2')ferrocenophane