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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-O-Benzoyl-2-brom-2,6-didesoxy-3-O-formyl-α-D-clucopyranosylbromid 85726-77-8 C14H14Br2O5
    4-O-Benzoyl-2-brom-2,6-didesoxy-3-O-formyl-α-D-clucopyranosylbromid
    —— 4-[2-((2R)-2-{(1E,3R)-3-[1-(cyclopropylmethyl)cyclobutyl]-3-hydroxyprop-1-enyl}-5-oxopyrrolidin-1-yl)ethyl]benzoic acid 635311-01-2 C24H31NO4
    4-[2-((2R)-2-{(1E,3R)-3-[1-(cyclopropylmethyl)cyclobutyl]-3-hydroxyprop-1-enyl}-5-oxopyrrolidin-1-yl)ethyl]benzoic acid
    —— 4,4-dimethyl-2-(4-((S)-2-methylbutyl)-1-((R)-1-phenylethyl)-1,4-dihydropyridin-3-yl)-4,5-dihydrooxazole 111737-55-4 C23H32N2O
    4,4-dimethyl-2-(4-((S)-2-methylbutyl)-1-((R)-1-phenylethyl)-1,4-dihydropyridin-3-yl)-4,5-dihydrooxazole
    —— (4-ethylpyridinium) cis-tetrachlorobis(4-ethylpyridine-N)molybdate(III) 288093-52-7 C7H10N*C14H18Cl4MoN2
    (4-ethylpyridinium) cis-tetrachlorobis(4-ethylpyridine-N)molybdate(III)
    —— 4-((4-(4-butoxy-3-fluorophenyl)piperazin-1-yl)sulfonyl)-1-(2-methoxyethyl)-N-((tetrahydro-2H-pyran-2-yl)oxy)piperidine-4-carboxamide 622386-62-3 C28H45FN4O7S
    4-((4-(4-butoxy-3-fluorophenyl)piperazin-1-yl)sulfonyl)-1-(2-methoxyethyl)-N-((tetrahydro-2H-pyran-2-yl)oxy)piperidine-4-carboxamide
    —— 4-(2-(7-chloro-11-oxodibenzo[b,f][1,4]oxazepin-10(11H)-yl)ethoxy)-N-hydroxybenzamide 1024009-04-8 C22H17ClN2O5
    4-(2-(7-chloro-11-oxodibenzo[b,f][1,4]oxazepin-10(11H)-yl)ethoxy)-N-hydroxybenzamide
    —— 4α,5-epoxy-17a-aza-D-homo-5α-androstane-3,17-dione 81920-79-8 C19H27NO3
    4α,5-epoxy-17a-aza-D-homo-5α-androstane-3,17-dione
    —— 4-acetyl-3-phenoxy-5,6-dihydro-4H-[1,2,4]thiadiazine 1,1-dioxide 53788-82-2 C11H12N2O4S
    4-acetyl-3-phenoxy-5,6-dihydro-4H-[1,2,4]thiadiazine 1,1-dioxide
    —— 4,4'-benzene-1,4-diyl-bis[3-phenyl-6,7,8,9-tetrahydro-1-benzothieno[3,2-f]-[1,4]-oxazepin-5(4H)-one] 1314118-00-7 C40H32N2O4S2
    4,4'-benzene-1,4-diyl-bis[3-phenyl-6,7,8,9-tetrahydro-1-benzothieno[3,2-f]-[1,4]-oxazepin-5(4H)-one]
    —— 4-chloro-6-(6-(trifluoromethyl)pyridin-3-yl)pyrimidine 1590398-07-4 C10H5ClF3N3
    4-chloro-6-(6-(trifluoromethyl)pyridin-3-yl)pyrimidine
    —— (4-tert-butylcyclohexen-1-yl)oxy-triethylgermane 132091-64-6 C16H32GeO
    (4-tert-butylcyclohexen-1-yl)oxy-triethylgermane
    —— 4,5-diethyl-3-methylthio-1,2,3-diselenaborole 135732-86-4 C7H13BSSe2
    4,5-diethyl-3-methylthio-1,2,3-diselenaborole
    —— 4-bromophenyl 4,4-dimethylpentanoate 268733-98-8 C13H17BrO2
    4-bromophenyl 4,4-dimethylpentanoate
    —— 4,4,4-trifluoro-1,3-bis(2-hydroxy-5-methylphenyl)butan-1-one 1408236-68-9 C18H17F3O3
    4,4,4-trifluoro-1,3-bis(2-hydroxy-5-methylphenyl)butan-1-one
    —— 4-(3-methylcarbamoylmethyl-2-oxo-2,3-dihydro-benzimidazol-1-yl)-piperidine-1-carboxylic acid tert-butyl ester 928632-82-0 C20H28N4O4
    4-(3-methylcarbamoylmethyl-2-oxo-2,3-dihydro-benzimidazol-1-yl)-piperidine-1-carboxylic acid tert-butyl ester
    —— 4,4'-((E)-pent-1-ene-1,3-diyl)bis(methoxybenzene) 1402836-16-1 C19H22O2
    4,4'-((E)-pent-1-ene-1,3-diyl)bis(methoxybenzene)
    —— (4-nitrophenyl)-(5-phenyltetrazol-2-yl)methanone 120642-47-9 C14H9N5O3
    (4-nitrophenyl)-(5-phenyltetrazol-2-yl)methanone
    —— 4-methyl-2-[2-(1-methylpyridin-1-ium-4-yl)ethenyl]-6-[2-(1-methyl-1H-pyridin-1-ium-4-ylidene)ethylidene]cyclohexa-2,4-dien-1-one 1400863-33-3 C23H24N2O
    4-methyl-2-[2-(1-methylpyridin-1-ium-4-yl)ethenyl]-6-[2-(1-methyl-1H-pyridin-1-ium-4-ylidene)ethylidene]cyclohexa-2,4-dien-1-one
    —— [4-[4-(4-Ethenoxybutoxy)benzoyl]oxy-3-methylphenyl] 4-(4-ethenoxybutoxy)benzoate 172258-53-6 C33H36O8
    [4-[4-(4-Ethenoxybutoxy)benzoyl]oxy-3-methylphenyl] 4-(4-ethenoxybutoxy)benzoate
    —— 4-pentyloxy-pyridine-1-oxide 26883-37-4 C10H15NO2
    4-pentyloxy-pyridine-1-oxide
    —— 4-<Ethoxy(propylthio)phosphoryloxy>-2-methoxy-3-chinolincarbonsaeure-ethylester 82953-00-2 C18H24NO6PS
    4-<Ethoxy(propylthio)phosphoryloxy>-2-methoxy-3-chinolincarbonsaeure-ethylester
    —— 4-<6,7-Benzobenzthiazol-2-yl>-buttersaeure-methylester 97498-55-0 C16H15NO2S
    4-<6,7-Benzobenzthiazol-2-yl>-buttersaeure-methylester
    —— {4-chloro-2-[(5-ethylsulfonyl-2-methylphenyl)ethynyl]phenoxy}acetic acid 1240285-57-7 C19H17ClO5S
    {4-chloro-2-[(5-ethylsulfonyl-2-methylphenyl)ethynyl]phenoxy}acetic acid
    —— 4-(2-Methylbenzyl)-benzylalkohol 14297-43-9 C15H16O
    4-(2-Methylbenzyl)-benzylalkohol
    —— 4-Benzyloxy-2,6-dioxa-14,17,20-triaza-tricyclo[20.4.0.0<sup>7,12</sup>]hexacosa-1(26),7(12),8,10,22,24-hexaene-14,17,20-tricarboxylic acid tri-tert-butyl ester 209161-71-7 C43H59N3O9
    4-Benzyloxy-2,6-dioxa-14,17,20-triaza-tricyclo[20.4.0.0<sup>7,12</sup>]hexacosa-1(26),7(12),8,10,22,24-hexaene-14,17,20-tricarboxylic acid tri-tert-butyl ester
    —— 4-chloro-2-ethanesulfonyl-5-(3-chloro-1-oxo-2-cyclohexen-2-yl)carbonyl-2,3-dihydrobenzothiophene 1,1-dioxide 411223-01-3 C17H16Cl2O6S2
    4-chloro-2-ethanesulfonyl-5-(3-chloro-1-oxo-2-cyclohexen-2-yl)carbonyl-2,3-dihydrobenzothiophene 1,1-dioxide
    —— 4-carbamoyl-2-(hydroxy-(3-phenylpropyl)phosphinoylmethyl)butyric acid 701279-04-1 C15H22NO5P
    4-carbamoyl-2-(hydroxy-(3-phenylpropyl)phosphinoylmethyl)butyric acid
    —— 4-(3-difluoromethyl-7,8-dimethoxy-3H-pyrazolo[3,4-c]-quinolin-1-yl)benzonitrile 1353635-66-1 C20H14F2N4O2
    4-(3-difluoromethyl-7,8-dimethoxy-3H-pyrazolo[3,4-c]-quinolin-1-yl)benzonitrile
    —— 4-[4-(1-Azido-5,5-dimethyl-hexyl)-phenyl]-butyric acid methyl ester 162941-45-9 C19H29N3O2
    4-[4-(1-Azido-5,5-dimethyl-hexyl)-phenyl]-butyric acid methyl ester
    —— 4-Oxo-1-[(4-phenylphenyl)methyl]-1,8-naphthyridine-3-carboxylic acid 1226772-37-7 C22H16N2O3
    4-Oxo-1-[(4-phenylphenyl)methyl]-1,8-naphthyridine-3-carboxylic acid
    —— 4-(3-Methyl-ureido)-benzoic acid 2-ethoxy-ethyl ester 59265-49-5 C13H18N2O4
    4-(3-Methyl-ureido)-benzoic acid 2-ethoxy-ethyl ester
    —— 4a-Hydroxy-9-methoxy-2,3,4a,5,6,7-hexahydro-1H-4-oxa-dibenzo[a,c]cycloheptene-11b-carbonitrile 127299-44-9 C16H19NO3
    4a-Hydroxy-9-methoxy-2,3,4a,5,6,7-hexahydro-1H-4-oxa-dibenzo[a,c]cycloheptene-11b-carbonitrile
    —— (4aR,6S,7R,8aS)-7-Benzyloxy-6-(2-benzyloxy-ethyl)-2,2-di-tert-butyl-4a,6-dimethyl-hexahydro-1,3,5-trioxa-2-sila-naphthalene 855300-14-0 C32H48O5Si
    (4aR,6S,7R,8aS)-7-Benzyloxy-6-(2-benzyloxy-ethyl)-2,2-di-tert-butyl-4a,6-dimethyl-hexahydro-1,3,5-trioxa-2-sila-naphthalene
    —— 4-(2-but-2-enoyl-5,5-dimethyl-3-oxo-pyrazolidin-1-ylmethyl)-benzoic acid methyl ester 925237-84-9 C18H22N2O4
    4-(2-but-2-enoyl-5,5-dimethyl-3-oxo-pyrazolidin-1-ylmethyl)-benzoic acid methyl ester
    —— 4-[9-(6-Oxobenzo[c][2,1]benzoxaphosphinin-6-yl)fluoren-9-yl]phenol 1573113-23-1 C31H21O3P
    4-[9-(6-Oxobenzo[c][2,1]benzoxaphosphinin-6-yl)fluoren-9-yl]phenol
    —— 4-Phenyl-3,6-dihydro-2H-pyridine-1-sulfonyl chloride 725739-25-3 C11H12ClNO2S
    4-Phenyl-3,6-dihydro-2H-pyridine-1-sulfonyl chloride
    —— (4aR,6aS,9aS)-2-Methoxy-8,8-dimethyl-7-oxo-1,2,4,4a,6a,7,8,9-octahydro-pentaleno[1,6a-c]pyran-5-carboxylic acid methyl ester 112247-38-8 C16H22O5
    (4aR,6aS,9aS)-2-Methoxy-8,8-dimethyl-7-oxo-1,2,4,4a,6a,7,8,9-octahydro-pentaleno[1,6a-c]pyran-5-carboxylic acid methyl ester
    —— 4-chloro-N~2~-{(1R)-1-[3'-fluoro-2'-(3-methyl-1,2,4-oxadiazol-5-yl)-1-1,1'-biphenyl-4-yl]ethyl}pyridine-2,3-diamine 676445-28-6 C22H19ClFN5O
    4-chloro-N~2~-{(1R)-1-[3'-fluoro-2'-(3-methyl-1,2,4-oxadiazol-5-yl)-1-1,1'-biphenyl-4-yl]ethyl}pyridine-2,3-diamine
    —— 4-oxo-15,16-dimethoxyerythrinane 100571-78-6 C18H23NO3
    4-oxo-15,16-dimethoxyerythrinane
    —— (4-toySCH2)Siph3 18849-22-4 C26H24SSi
    (4-toySCH2)Siph3
    —— (+/-)-4-hydroxynona-2,8-diene 108440-67-1 C9H16O
    (+/-)-4-hydroxynona-2,8-diene
    —— (4-chloro-benzylidene)-[4-(2,4,6-trimethyl-benzyl)-piperazin-1-yl]-amine 55212-66-3 C21H26ClN3
    (4-chloro-benzylidene)-[4-(2,4,6-trimethyl-benzyl)-piperazin-1-yl]-amine
    —— (4-aminobutylamine)-(N-aminobutyl)azanonaborane(11) 484050-03-5 C8H34B8N4
    (4-aminobutylamine)-(N-aminobutyl)azanonaborane(11)
    —— 4-(4-methoxyphenoxy)-2-(3-methoxyphenyl)-N-[[(2S)-pyrrolidin-2-yl]methyl]pyrimidin-5-amine 1298096-44-2 C23H26N4O3
    4-(4-methoxyphenoxy)-2-(3-methoxyphenyl)-N-[[(2S)-pyrrolidin-2-yl]methyl]pyrimidin-5-amine
    —— (4aR,5R)-4a-cyclopropyl-1-(4-fluorophenyl)-5-{2-[2-(methylsulfonyl)phenyl]ethyl}-1,4,4a,5,6,7-hexahydrocyclopenta[f]indazol-5-ol 1299473-71-4 C28H29FN2O3S
    (4aR,5R)-4a-cyclopropyl-1-(4-fluorophenyl)-5-{2-[2-(methylsulfonyl)phenyl]ethyl}-1,4,4a,5,6,7-hexahydrocyclopenta[f]indazol-5-ol
    —— 4-chloro-2-(1H-imidazol-4-yl)phenyl methyl(phenyl)carbamate 1300728-84-0 C17H14ClN3O2
    4-chloro-2-(1H-imidazol-4-yl)phenyl methyl(phenyl)carbamate
    —— 4,4,5,5-tetramethylcyclopentane-1,2,3-trione hydrate 145046-68-0 C9H14O4
    4,4,5,5-tetramethylcyclopentane-1,2,3-trione hydrate
    —— 4-((4-(3-fluoro-4-pentylphenyl)piperazin-1-yl)sulfonyl)-1-(2-methoxyethyl)-N-((tetrahydro-2H-pyran-2-yl)oxy)piperidine-4-carboxamide 622386-69-0 C29H47FN4O6S
    4-((4-(3-fluoro-4-pentylphenyl)piperazin-1-yl)sulfonyl)-1-(2-methoxyethyl)-N-((tetrahydro-2H-pyran-2-yl)oxy)piperidine-4-carboxamide
    —— 4,8-anhydro-1,3,5-trideoxy-D-gluco-nonulose 469873-53-8 C9H16O5
    4,8-anhydro-1,3,5-trideoxy-D-gluco-nonulose
    —— (4S,5R,6S)-2,2-Di-tert-butyl-4-[(E)-(4R,6R)-4-methoxy-8-(4-methoxy-benzyloxy)-6-methyl-oct-2-enyl]-5-methyl-6-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-[1,3,2]dioxasilinane 213385-45-6 C42H78O6Si2
    (4S,5R,6S)-2,2-Di-tert-butyl-4-[(E)-(4R,6R)-4-methoxy-8-(4-methoxy-benzyloxy)-6-methyl-oct-2-enyl]-5-methyl-6-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-[1,3,2]dioxasilinane