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    中文名称 英文名称 CAS号 化学式
    4-(乙酰基氧基)-3-甲氧基苯甲醇 4-acetoxy-3-methoxybenzyl alcohol 60835-68-9 C10H12O4
    4-(乙酰基氧基)-2-萘羧酸 4-acetoxy-2-naphthoic acid 6566-42-3 C13H10O4
    4-(乙酰乙酰基氨基)苯羧酸甲酯 N-(4-methoxycarbonyl)phenyl-3-oxobutanamide 67093-75-8 C12H13NO4
    4-(乙硫基)甲苯 ethyl p-tolyl sulfide 622-63-9 C9H12S
    4-(乙烯基巯基)苯胺 4-aminophenyl vinyl sulfide 63930-39-2 C8H9NS
    4-(乙烯基)苯基甲硫醇 4-(vinyl)phenylmethanethiol 6987-23-1 C9H10S
    4-(乙氧羰基亚硝基氨基)丁醛 4-(Carboethoxynitrosamino)butanal 65734-41-0 C7H12N2O4
    4-(乙氧羰基亚硝基氨基)-1-(3-吡啶基)-1-丁酮 4-(carbethoxynitrosamino)-1-(3-pyridyl)-1-butanone 68743-68-0 C12H15N3O4
    4-(乙氧基羰基氨基)-2-羟基苯甲酸 4-ethoxycarbonylamino-2-hydroxy-benzoic acid 63931-07-7 C10H11NO5
    4-(乙氧基甲基)辛-1,3-二烯 4-ethoxymethyl-octa-1,3-diene 65883-58-1 C11H20O
    4-(乙氧基甲基)-2-(4-甲氧基苯基)-1,3-二氧戊环 4-(Ethoxymethyl)-2-(4-methoxyphenyl)-1,3-dioxolane 6301-38-8 C13H18O4
    4-(乙氧基甲基)-2-(2-苯乙烯基)-1,3-二氧戊环 4-(ethoxymethyl)-2-[(E)-2-phenylethenyl]-1,3-dioxolane 6308-09-4 C14H18O3
    4-(乙氧基二甲基甲硅烷基)苯甲酸乙酯 4-(Ethoxy-dimethyl-silanyl)-benzoic acid ethyl ester 609353-67-5 C13H20O3Si
    4-(乙基苯乙基氨基)丁基苯甲酸酯 Phenethylamine, N-ethyl-N-(4-hydroxybutyl)-, benzoate (ester) 67293-21-4 C21H27NO2
    4-(乙基苯乙基氨基)丁基乙酸酯 Phenethylamine, N-ethyl-N-(4-hydroxybutyl)-, acetate (ester) 67293-19-0 C16H25NO2
    4-(乙基磺酰基)苯胺 4-(ethylsulfonyl)aniline 6334-01-6 C8H11NO2S
    4-(乙基磺酰基)苯甲醛[苯并恶唑-2(3H)-亚基]腙 4-ethanesulfonyl-benzaldehyde-benzoxazol-2-ylhydrazone 6291-30-1 C16H15N3O3S
    4-(乙基磺酰基)-n1-甲基苯-1,2-二胺 N<sup>1</sup>-methyl-4-ethylsulfonyl-benzene-1,2-diamine 68502-19-2 C9H14N2O2S
    4-(乙基硫代)嘧啶-2-胺 4-ethylsulfanyl-pyrimidin-2-ylamine 6311-81-5 C6H9N3S
    4-(乙基氨基)-3-甲基偶氮苯四氟硼酸盐 Benzenediazonium, 4-(ethylamino)-3-methyl-, tetrafluoroborate(1-) 6087-59-8 C9H12BF4N3
    4-(乙基氨基)-3-甲基偶氮苯六氟磷酸盐 Benzenediazonium, 4-(ethylamino)-3-methyl-, hexafluorophosphate(1-) 68015-91-8 C9H12F6N3P
    4-(乙基氨基)-2-甲基偶氮苯六氟磷酸盐 4-(Ethylamino)-2-methylbenzenediazonium hexafluorophosphate 68413-89-8 C9H12F6N3P
    4-(乙基氨基)-2-甲基偶氮苯六氟砷酸盐 Benzenediazonium, 4-(ethylamino)-2-methyl-, hexafluoroarsenate(1-) 63217-32-3 C9H12AsF6N3
    4-(乙基(2-羟基乙基)氨基)-2-甲基偶氮苯 Ethanol, 2-(ethyl(3-methyl-4-(phenylazo)phenyl)amino)- 68214-81-3 C17H21N3O
    4-(丙氧羰基)苯基3-氨基-4-甲基苯甲酸酯 4-(Propoxycarbonyl)phenyl 3-amino-4-methylbenzoate 67603-68-3 C18H19NO4
    4-(三氯甲基)苯甲酸 2-氯乙基酯 4-trichloromethyl-benzoic acid-(2-chloro-ethyl ester) 63980-12-1 C10H8Cl4O2
    4-(三氟甲氧基)苯-1,2-二胺 4-(trifluoromethoxy)benzene-1,2-diamine 658-89-9 C7H7F3N2O
    4-(三氟甲基磺酰基)苯磺酰氯 4-(trifluoromethylsulfonyl)benzenesulfonyl chloride 63647-64-3 C7H4ClF3O4S2
    4-(三氟甲基磺酰基)苯甲醛 (4-trifluoromethanesulfonyl)-benzaldehyde 650-89-5 C8H5F3O3S
    4-(三氟甲基)苯甲酸-α-<sup>13</sup>C 4-(Trifluoromethyl)benzoic acid--13C 698999-46-1 C8H5F3O2
    4-(三氟甲基)哌啶 4-Trifluormethyl-piperidin 657-36-3 C6H10F3N
    4-(三氟甲基)吡咯烷-2-酮 4-(trifluoromethyl)pyrrolidin-2-one 664304-83-0 C5H6F3NO
    4-(三氟甲基)-2-吡啶甲酰氯 4-(trifluoromethyl)pyridine-2-carbonyl chloride 640296-12-4 C7H3ClF3NO
    4-(三氟甲基)-2,3,5,6-四氟苯硫酚 4-trifluoromethyl-2,3,5,6-tetrafluorothiophenol 651-84-3 C7HF7S
    4-(三氟甲基)-1-茚酮 4-(trifluoromethyl)-2,3-dihydro-1H-inden-1-one 68755-42-0 C10H7F3O
    4-(三氟甲基)-1-环己烯-1-硼酸频哪醇酯 4,4,5,5-tetramethyl-2-(4-(trifluoromethyl)cyclohex-1-en-1-yl)-1,3,2-dioxaborolane 683242-93-5 C13H20BF3O2
    4-(三异丙基硅烷基氧基)苯基基硼酸 (4-((triisopropylsilyl)oxy)phenyl)boronic acid 643090-93-1 C15H27BO3Si
    4-(三丁基锡烷基)-2-甲基噻唑 2-methyl-4-(tributylstannyl)thiazole 653564-10-4 C16H31NSSn
    4-(七氟丙基硫代)氯苯 p-Chlorphenyl-perfluor-propylsulfid 65538-03-6 C9H4ClF7S
    4-(丁氧基甲基)-4-甲基庚-1-烯-6-炔 4-butoxymethyl-4-methyl-hept-1-en-6-yne 61753-48-8 C13H22O
    4-(丁基氨基磺酰基)苯甲酸 4-(N-butylsulfamoyl)benzoic acid 6306-16-7 C11H15NO4S
    4-(丁基氨基)-3-碘苯甲酸乙酯 ethyl 4-(n-butylamino)-3-iodobenzoate 681259-72-3 C13H18INO2
    4-(丁基亚硝基氨基)-2-丁酮 N-nitroso-N-(3-oxobutyl)butylamine 61734-89-2 C8H16N2O2
    4-(丁-3-烯-1-基氧羰基)苯甲酸 terephthalic acid mono-3-butenyl ester 62680-74-4 C12H12O4
    4-(一氯二甲基甲硅烷基)丁腈与二氧化硅的反应产物 Zorbax LP 100/40 C4 68584-38-3 C6H12ClNO2Si2
    4-({[(3-氯苯基)磺酰基]氨基}甲基)苯甲酸 4-[(3-chlorophenylsulfonamido)methyl]benzoic acid 690645-98-8 C14H12ClNO4S
    4-(beta-甲氧基乙氧基)-1,3-二硝基苯 2,4-dinitrophenyl 2-methoxyethyl ether 67674-33-3 C9H10N2O6
    4-([(4-氯苯基)磺酰基]甲基)苯胺 (4-Chlor-phenyl)-(4-amino-benzyl)-sulfid 6969-14-8 C13H12ClNS
    4-([(2-氟苄基)氧基]甲基)哌啶盐酸盐 4-{[(2-Fluorobenzyl)Oxy]Methyl}Piperidine Hydrochloride 614731-80-5 C13H19ClFNO
    4-(S-乙醇)-硫代-环磷酰胺 4-(S-ethanol)-sulfido-cyclophosphamide 65882-95-3 C9H19Cl2N2O3PS