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    中文名称 英文名称 CAS号 化学式
    4-(二甲氨基)-3-硝基-1H-吡啶-2-酮 4-dimethylamino-3-nitro-2-hydroxypyridine 923027-49-0 C7H9N3O3
    4-(二甲氨基)-2-苯基丁腈 Benzamide, 3-chloro-5-ethyl-6-hydroxy-2-methoxy-N-((1-methyl-2-pyrrolidinyl)methyl)-, (S)- 97816-60-9 C16H23ClN2O3
    4-(二甲氨基)-2-苯基-2-(2-吡啶基)戊腈 4-(dimethylamino)-2-phenyl-2-(2-pyridyl)pentanenitrile 99132-31-7 C18H21N3
    4-(二甲氧基甲基)苯甲腈 4-(dimethoxymethyl)benzonitrile 90921-71-4 C10H11NO2
    4-(二甲氧基甲基)-2,6-二甲氧基苯酚乙酸酯 Acetic acid;4-(dimethoxymethyl)-2,6-dimethoxyphenol 914093-25-7 C13H20O7
    4-(二甲基氨基磺酰基氨基)苯甲酸 4-<(dimethylsulfamoyl)amino>benzoic acid 90250-68-3 C9H12N2O4S
    4-(二甲基氨基)-3-碘苯甲酸甲酯 methyl 4-(dimethylamino)-3-iodobenzoate 99067-73-9 C10H12INO2
    4-(二甲基氨基)-1-甲基-2(1H)-喹啉酮 1-Methyl-4-dimethylamino-carbostyril 947-70-6 C12H14N2O
    4-(二环己基氨基)丁酸甲酯 γ-(N,N-Dicyclohexylamino)-buttersaeure-methylester 93478-72-9 C17H31NO2
    4-(二氰基亚甲基)-哌啶-1-羧酸乙酯 ethyl 4-(dicyanomethylene)piperidine-1-carboxylate 930112-89-3 C11H13N3O2
    4-(二氟甲氧基)苯腈 4-(difluoromethoxy)benzonitrile 90446-25-6 C8H5F2NO
    4-(二氟甲氧基)-3-硝基苯甲酸 4-(difluoromethoxy)-3-nitrobenzoic acid 906747-90-8 C8H5F2NO5
    4-(二氟甲基)-3-甲氧基苯甲醛 4-(Difluoromethyl)-3-methoxybenzaldehyde 900641-83-0 C9H8F2O2
    4-(二氟甲基)-2-噻唑 2-amino-4-difluoromethylthiazole 947179-20-6 C4H4F2N2S
    4-(二氟甲基)-1-(4-甲氧基苯基)三唑 1-(4-methoxyphenyl)-4-difluoromethyl-1H-1,2,3-triazole 916151-09-2 C10H9F2N3O
    4-(二氟甲基)-1-(3,4-二甲氧基苯基)三唑 1-(3,4-dimethoxyphenyl)-4-difluoromethyl-1H-1,2,3-triazole 916151-11-6 C11H11F2N3O2
    4-(二己基氨基)苯甲醛 4-formyl-N,N-dihexylaniline 90133-80-5 C19H31NO
    4-(二乙酰氧基甲基)苯甲酸乙酯 4-Diacetoxymethyl-benzoic acid ethyl ester 92788-08-4 C14H16O6
    4-(二乙氨基)苯基硼酸频哪醇酯 N,N-diethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline 920304-57-0 C16H26BNO2
    4-(二乙基氨基)-1,1-二苯基-2-丁炔-1-醇 4-Diethylamino-1,1-diphenyl-but-2-in-1-ol 968-59-2 C20H23NO
    4-(二丙基氨基)苯甲腈 4-(di-n-propylamino)benzonitrile 96795-43-6 C13H18N2
    4-(二丁基氨基)苯甲醛 4-(N,N-dibutylamino)benzaldehyde 90134-10-4 C15H23NO
    4-(乙酰氨基苯基磺酰基)乙腈 Cyan-methyl-(4-acetamino-phenyl)-sulfon 90915-78-9 C10H10N2O3S
    4-(乙酰氨基)-5-(乙基磺酰基)-2-甲氧基-苯甲酸 4-Acetamido-5-(ethylsulphonyl)-2-methoxybenzoic acid 94134-06-2 C12H15NO6S
    4-(乙酰氧基甲基)-3-溴苯甲酸 4-(acetoxymethyl)-3-bromobenzoic acid 90772-73-9 C10H9BrO4
    4-(乙酰基磺酰胺基)苯硼酸 4-(N-Acetylsulfamoyl)phenylboronic acid 913835-52-6 C8H10BNO5S
    4-(乙酰基氨基)环己烷乙酸 2-(4-acetamidocyclohexyl)acetic acid 90978-94-2 C10H17NO3
    4-(乙酰基氨基)-5-溴-N-[2-(二乙胺基)乙基]-2-甲氧基苯酰胺 acetic acid;N-[2-(2-hydroxyethylamino)ethyl]tetradecanamide 94139-09-0 C20H42N2O4
    4-(乙酰基氨基)-5-溴-N-[2-(二乙基氨基)乙基]-2-甲氧基苯甲酰胺 4-(Acetylamino)-5-bromo-N-[2-(diethylamino)ethyl]-2-methoxybenzamide 94135-22-5 C16H24BrN3O3
    4-(乙酰基氧基)苯丙醛 4-(3-oxopropyl)phenyl acetate 91143-05-4 C11H12O3
    4-(乙酰基氧基)-8-氯-2-萘羧酸甲酯 8-Chlor-4-acetoxy-2-naphthoesaeure-methylester 92103-30-5 C14H11ClO4
    4-(乙酰基氧基)-7-溴-5,8-二甲氧基-6-甲基-2-萘羧酸甲酯 methyl 4-acetoxy-7-bromo-5,8-dimethoxy-6-methylnaphthalene-2-carboxylate 97944-76-8 C17H17BrO6
    4-(乙酰基氧基)-6-甲氧基-7-(苯基甲氧基)-2-萘羧酸甲酯 4-Acetoxy-7-benzyloxy-6-methoxy-naphthoesaeure-(2)-methylester 95626-15-6 C22H20O6
    4-(乙酰基氧基)-6-甲氧基-2-萘羧酸甲酯 4-acetoxy-6-methoxy-naphthalene-2-methyl carboxylate 90381-47-8 C15H14O5
    4-(乙酰基氧基)-6-甲基-2-萘羧酸甲酯 4-Acetoxy-6-methyl-2-methoxycarbonyl-naphthalin 92549-64-9 C15H14O4
    4-(乙酰基氧基)-6-甲基-2-萘羧酸乙酯 4-Acetoxy-6-methyl-2-aethoxycarbonyl-naphthalin 93435-18-8 C16H16O4
    4-(乙酰基氧基)-6-氯-2-萘羧酸甲酯 6-Chlor-4-acetoxy-2-methoxycarbonyl-naphthalin 92103-29-2 C14H11ClO4
    4-(乙酰基氧基)-6-氯-2-萘羧酸乙酯 6-Chlor-4-acetoxy-2-aethoxycarbonyl-naphthalin 92435-75-1 C15H13ClO4
    4-(乙酰基氧基)-5,8-二甲氧基-6-甲基-2-萘羧酸甲酯 methyl 4-acetoxy-5,8-dimethoxy-6-methylnaphthalene-2-carboxylate 97944-75-7 C17H18O6
    4-(乙胺基)-1-甲基嘧啶-2-酮 4-N-ethyl-1-methylcytosine 92876-77-2 C7H11N3O
    4-(乙硫基)-1-丁烯 4-(ethylthio)-1-butene 99116-24-2 C6H12S
    4-(乙氧基羰基)-3-甲基-1H-吡咯-2-羧酸 4-ethoxycarbonyl-3-methylpyrrole-2-carboxylic acid 90610-58-5 C9H11NO4
    4-(乙氧基甲氧基)苯基硼酸 (4-(Ethoxymethoxy)phenyl)boronic acid 957062-54-3 C9H13BO4
    4-(乙基氨基)-N,N-二甲基丁酰胺 4-(Ethylamino)-N,N-dimethylbutyramide 97635-52-4 C8H18N2O
    4-(乙基(2-羟基乙基)氨基)-3-甲基偶氮苯六氟磷酸盐 4-(Ethyl(2-hydroxyethyl)amino)-3-methylbenzenediazonium hexafluorophosphate 94349-46-9 C11H16F6N3OP
    4-(丙基硫基)苯甲酰氯 4-propylsulfanyl-benzoyl chloride 99070-68-5 C10H11ClOS
    4-(丙基氨基)哌啶-4-甲酰胺 4-(Propylamino)piperidine-4-carboxamide 96619-91-9 C9H19N3O
    4-(三氟甲氧基)苯磺酰氯 4-(trifluoro-methoxy)benzene-1-sulfonyl chloride 94108-56-2 C7H4ClF3O3S
    4-(三氟甲氧基)苯甲胺 4-(trifluoromethoxy)benzyl amine 93919-56-3 C8H8F3NO
    4-(三氟甲氧基)-靛红 trifluoromethoxy-1H-indole-2,3-dione 959236-54-5 C9H4F3NO3