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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5-dichloro-1<i>H</i>-imidazole-2-carboxylic acid 1,1-dimethyl-prop-2-ynylamide 64737-29-7 C9H9Cl2N3O
    4,5-dichloro-1<i>H</i>-imidazole-2-carboxylic acid 1,1-dimethyl-prop-2-ynylamide
    —— 4-Diazomethyl-pyrano[2,3-f]chromene-2,8-dione 106236-94-6 C13H6N2O4
    4-Diazomethyl-pyrano[2,3-f]chromene-2,8-dione
    —— 4-(8-methyl-dibenzofuran-2-yl)-4-oxo-butyric acid 108974-56-7 C17H14O4
    4-(8-methyl-dibenzofuran-2-yl)-4-oxo-butyric acid
    —— 4-(5-Isopropyl-2-methylbenzolsulfonyloxy)-phenylisothiocyanat 20123-89-1 C17H17NO3S2
    4-(5-Isopropyl-2-methylbenzolsulfonyloxy)-phenylisothiocyanat
    —— 4-Methyl-3-methylen-1-propyl-pyrrolidin 10541-84-1 C9H17N
    4-Methyl-3-methylen-1-propyl-pyrrolidin
    —— 4-ethyl-5-(2-methyl-pent-1-enyl)-1-(4-nitro-phenyl)-1<i>H</i>-[1,2,3]triazole 7202-75-7 C16H20N4O2
    4-ethyl-5-(2-methyl-pent-1-enyl)-1-(4-nitro-phenyl)-1<i>H</i>-[1,2,3]triazole
    —— 4-(4-tert-Butyl-phenoxy-acetyloxy)-4-propargyl-1-phenethyl-piperidin 16779-64-9 C28H35NO3
    4-(4-tert-Butyl-phenoxy-acetyloxy)-4-propargyl-1-phenethyl-piperidin
    —— 4,5-Di-O-acetyl-2,6-anhydro-3-desoxy-aldehydo-D-xylo-hexose 2887-02-7 C10H14O6
    4,5-Di-O-acetyl-2,6-anhydro-3-desoxy-aldehydo-D-xylo-hexose
    —— 4-chloro-6-(2-methoxy-phenyl)-7H-pyrrolo[2,3-d]pyrimidine 173459-08-0 C13H10ClN3O
    4-chloro-6-(2-methoxy-phenyl)-7H-pyrrolo[2,3-d]pyrimidine
    —— 4-Chloro-benzoic acid 2-(2,6-dichloro-phenyl)-3-oxo-3H-inden-1-yl ester 53083-53-7 C22H11Cl3O3
    4-Chloro-benzoic acid 2-(2,6-dichloro-phenyl)-3-oxo-3H-inden-1-yl ester
    —— 4-(4-fluorophenyl)-3-methylisoxazolo[3,4-d]pyridazin-7(6H)-one 627501-24-0 C12H8FN3O2
    4-(4-fluorophenyl)-3-methylisoxazolo[3,4-d]pyridazin-7(6H)-one
    —— 4-[2-Amino-4-(4-methoxy-phenyl)-thiazol-5-ylazo]-N-(4,6-dimethyl-pyrimidin-2-yl)-benzenesulfonamide 97855-06-6 C22H21N7O3S2
    4-[2-Amino-4-(4-methoxy-phenyl)-thiazol-5-ylazo]-N-(4,6-dimethyl-pyrimidin-2-yl)-benzenesulfonamide
    —— 4-methoxy-4'-phenoxybenzhydryl chloroacetate 1580541-41-8 C22H19ClO4
    4-methoxy-4'-phenoxybenzhydryl chloroacetate
    —— 4-[(2-dimethylaminoethylimino)methyl]phenyl benzoate 1034251-46-1 C18H20N2O2
    4-[(2-dimethylaminoethylimino)methyl]phenyl benzoate
    —— (4S,5R)-4-((S,E)-3-(((4-methoxybenzyl)oxy)methyl)-4-methylpenta-1,4-dien-1-yl)-5-((methoxymethoxy)methyl)-2,2-dimethyl-1,3-dioxolane 1259067-16-7 C23H34O6
    (4S,5R)-4-((S,E)-3-(((4-methoxybenzyl)oxy)methyl)-4-methylpenta-1,4-dien-1-yl)-5-((methoxymethoxy)methyl)-2,2-dimethyl-1,3-dioxolane
    —— 4,4',4''-tris(1-propanesulfonyl)triphenylamine 1134195-30-4 C27H33NO6S3
    4,4',4''-tris(1-propanesulfonyl)triphenylamine
    —— 4-n-tetradecyloxybenzonitrile oxide 865487-91-8 C21H33NO2
    4-n-tetradecyloxybenzonitrile oxide
    —— 4-amino-2-(2-chloro-phenyl)-butan-2-ol hydrochloride 1513866-19-7 C10H14ClNO*ClH
    4-amino-2-(2-chloro-phenyl)-butan-2-ol hydrochloride
    —— 4-[2-(3-methyl-4-fluorophenyl)cyclopenten-1-yl]benzenesulfonamide 195732-54-8 C18H18FNO2S
    4-[2-(3-methyl-4-fluorophenyl)cyclopenten-1-yl]benzenesulfonamide
    —— 4-(1-ethyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)-N-(2-fluorobenzyl)aniline 1431385-84-0 C19H17F4N3
    4-(1-ethyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)-N-(2-fluorobenzyl)aniline
    —— 4-chloro-N-[(3,5-dibromo-2-hydroxyphenyl)methylideneamino]benzamide 328084-93-1 C14H9Br2ClN2O2
    4-chloro-N-[(3,5-dibromo-2-hydroxyphenyl)methylideneamino]benzamide
    —— 4,4',5,5'-tetrakis(undecylthio)-2,2'-bi(1,3-diselenolylidene) 1233193-44-6 C50H92S4Se4
    4,4',5,5'-tetrakis(undecylthio)-2,2'-bi(1,3-diselenolylidene)
    —— 4-[[4-[(4-Fluorophenyl)-phenylmethoxy]piperidin-1-yl]methyl]thiophene-2-carboxylic acid 1351371-12-4 C24H24FNO3S
    4-[[4-[(4-Fluorophenyl)-phenylmethoxy]piperidin-1-yl]methyl]thiophene-2-carboxylic acid
    —— {4-[3-(4-chlorophenyl)-5-oxo-5,6-dihydro-1,6-naphthyridin-2-yl]phenyl}methanaminium trifluoroacetate 1238318-02-9 C2HF3O2*C21H16ClN3O
    {4-[3-(4-chlorophenyl)-5-oxo-5,6-dihydro-1,6-naphthyridin-2-yl]phenyl}methanaminium trifluoroacetate
    —— 4-nitro-2,6-bis-trifluoromethyl-benzoimidazole-1-carboxylic acid ethyl ester 26872-24-2 C12H7F6N3O4
    4-nitro-2,6-bis-trifluoromethyl-benzoimidazole-1-carboxylic acid ethyl ester
    —— 4,4-bis(2-methylphenyl)but-3-en-1-ol 193898-05-4 C18H20O
    4,4-bis(2-methylphenyl)but-3-en-1-ol
    —— 4-methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine 1511867-22-3 C8H7N3O2
    4-methyl-5-nitro-1H-pyrrolo[2,3-b]pyridine
    —— 4'-(3'',5''-di-O-acetyl-2''-deoxy-β-D-ribofuranosyl)-3-methoxybiphenyl 912818-35-0 C22H24O6
    4'-(3'',5''-di-O-acetyl-2''-deoxy-β-D-ribofuranosyl)-3-methoxybiphenyl
    —— (+/-)-4-[(4-methylphenyl)phenylmethoxy]-1-piperidineoctanoic acid 732218-44-9 C27H37NO3
    (+/-)-4-[(4-methylphenyl)phenylmethoxy]-1-piperidineoctanoic acid
    —— (4aR,5R,8R,8aS)-5-Allyloxy-4a,8-dimethyl-decahydro-naphthalen-2-ol 125489-08-9 C15H26O2
    (4aR,5R,8R,8aS)-5-Allyloxy-4a,8-dimethyl-decahydro-naphthalen-2-ol
    —— 4,9-dichloro-[1,4]dithiino[2,3-<i>c</i>;5,6-<i>c</i>']dipyridazine 30578-82-6 C8H2Cl2N4S2
    4,9-dichloro-[1,4]dithiino[2,3-<i>c</i>;5,6-<i>c</i>']dipyridazine
    —— 4-{8-[4-(3,5-dimethylpiperazin-1-yl)phenylamino]imidazo[1,2-a]pyridin-5-yl}-1H-pyridin-2-one 1031286-11-9 C24H26N6O
    4-{8-[4-(3,5-dimethylpiperazin-1-yl)phenylamino]imidazo[1,2-a]pyridin-5-yl}-1H-pyridin-2-one
    —— 4,6-Diisobutyryl-2,2-dimethyl-cyclohexane-1,3,5-trione 20054-13-1 C16H22O5
    4,6-Diisobutyryl-2,2-dimethyl-cyclohexane-1,3,5-trione
    —— 4-<N,N-Bis-(β-hydroxyethyl)-amino>-3-methylphenylphenylacetonitril 13196-53-7 C19H22N2O2
    4-<N,N-Bis-(β-hydroxyethyl)-amino>-3-methylphenylphenylacetonitril
    —— 4,6-Dimethoxy-2-isopropylideniminooxy-s-triazin 7265-34-1 C8H12N4O3
    4,6-Dimethoxy-2-isopropylideniminooxy-s-triazin
    —— 4-(1,1,2,2,3,3-hexafluoropropyl)-5-[(4-methylphenyl)sulfonyl]-2-[6-(trifluoromethyl)-2H-thiopyran-2-yl]-2H-1,2,3-triazole 1260428-04-3 C18H12F9N3O2S2
    4-(1,1,2,2,3,3-hexafluoropropyl)-5-[(4-methylphenyl)sulfonyl]-2-[6-(trifluoromethyl)-2H-thiopyran-2-yl]-2H-1,2,3-triazole
    —— (4S)-4-benzyl-3-[(2S)-2-[(1R)-1-hydroxyethyl]but-3-enoyl]-5,5-dimethyl-1,3-oxazolidin-2-one 937204-13-2 C18H23NO4
    (4S)-4-benzyl-3-[(2S)-2-[(1R)-1-hydroxyethyl]but-3-enoyl]-5,5-dimethyl-1,3-oxazolidin-2-one
    —— 4-Isopropoxy-benzoic acid 2-(2-methyl-4-oxo-4H-quinazolin-3-yl)-ethyl ester 56539-91-4 C21H22N2O4
    4-Isopropoxy-benzoic acid 2-(2-methyl-4-oxo-4H-quinazolin-3-yl)-ethyl ester
    —— 4-tert-butyl-N-{6-[(2-pyridin-3-ylethyl)amino]imidazo[1,2-b]pyridazin-2-yl}benzamide 1005777-02-5 C24H26N6O
    4-tert-butyl-N-{6-[(2-pyridin-3-ylethyl)amino]imidazo[1,2-b]pyridazin-2-yl}benzamide
    —— 4-Chloro-3-methoxy-5-methylamino-benzoic acid methyl ester 63603-13-4 C10H12ClNO3
    4-Chloro-3-methoxy-5-methylamino-benzoic acid methyl ester
    —— 4-(3-methoxy-phenyl)-6-phenoxymethyl-morpholin-2-one 62084-31-5 C18H19NO4
    4-(3-methoxy-phenyl)-6-phenoxymethyl-morpholin-2-one
    —— 4,6-diethyl-1-methyl-9H-pyrido[3,2-g]quinoline-2,5,8,10-tetrone 1430798-20-1 C17H16N2O4
    4,6-diethyl-1-methyl-9H-pyrido[3,2-g]quinoline-2,5,8,10-tetrone
    —— 4-{4-cyano-3-[1-(2,2-dimethylpropyl)-3-methyl-2,2-dioxido-1,3-dihydro-2,1,3-benzothiadiazol-5-yl]phenoxy}pyridine-2-carbonitrile 1333263-38-9 C25H23N5O3S
    4-{4-cyano-3-[1-(2,2-dimethylpropyl)-3-methyl-2,2-dioxido-1,3-dihydro-2,1,3-benzothiadiazol-5-yl]phenoxy}pyridine-2-carbonitrile
    —— (4-Amino-benzoylamino)-acetic acid pentyl ester 62903-53-1 C14H20N2O3
    (4-Amino-benzoylamino)-acetic acid pentyl ester
    —— 4,5-dichloro-N-((1R)-1-{5-[(hydroxyamino)carbonyl]-2-thienyl}ethyl)-1-methyl-1H-pyrrole-2-carboxamide 1332871-17-6 C13H13Cl2N3O3S
    4,5-dichloro-N-((1R)-1-{5-[(hydroxyamino)carbonyl]-2-thienyl}ethyl)-1-methyl-1H-pyrrole-2-carboxamide
    —— 4-ethylphenyl 4-(2-oxoimidazolidin-1-yl)benzenesulfonate 1311945-93-3 C17H18N2O4S
    4-ethylphenyl 4-(2-oxoimidazolidin-1-yl)benzenesulfonate
    —— 4-[3-(4-cyano-3-fluorophenyl)-1H-indol-2-yl]butyl methanesulfonate 1279093-67-2 C20H19FN2O3S
    4-[3-(4-cyano-3-fluorophenyl)-1H-indol-2-yl]butyl methanesulfonate
    —— 4,6-Dimethylmercapto-pyrimidin-5-carbonamid 4786-59-8 C7H9N3OS2
    4,6-Dimethylmercapto-pyrimidin-5-carbonamid
    —— 4-phenylthiazol-2-amine saccharin 1384863-89-1 C7H5NO3S*C9H8N2S
    4-phenylthiazol-2-amine saccharin
    —— 4-(2-propenyloxy)-2',6'-dinitrobiphenyl 129001-63-4 C15H12N2O5
    4-(2-propenyloxy)-2',6'-dinitrobiphenyl