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    中文名称 英文名称 CAS号 化学式
    4-(二甲基羰基)苯硼酸酸二羟基己二醇酯 N,N-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide 400727-57-3 C15H22BNO3
    4-(二甲基氨基)甲基-3-硝基-9H-氧杂蒽-9-酮 Xanthen-9-one, 4-(dimethylamino)methyl-3-nitro- 42061-34-7 C16H14N2O4
    4-(二甲基氨基)环己酮盐酸盐 4-dimethylaminocyclohexanone hydrochloride 40594-28-3 C8H15NO*ClH
    4-(二甲基氨基)烟腈 4-(dimethylamino)nicotinonitrile 435271-24-2 C8H9N3
    4-(二甲基氨基)-N-(2-羟基环戊基)苯甲酰胺 (1R,2S)-2-(p-dimethylaminobenzoyl)aminocyclopentanol 415693-17-3 C14H20N2O2
    4-(二氯甲基硅烷基)丁酰氯 4-(Dichloromethylsilyl)butyryl chloride 4084-34-8 C5H9Cl3OSi
    4-(二氟甲氧基)苯甲酸 4-(difluoromethoxy)benzoic acid 4837-20-1 C8H6F2O3
    4-(二氟甲基)苯胺 4-(difluoromethyl)aniline 49658-26-6 C7H7F2N
    4-(二氟甲基)苯甲酸甲酯 methyl 4-(difluoromethyl)benzoate 444915-76-8 C9H8F2O2
    4-(二氟甲基)-1-甲基-1H-吡咯-3-羰基氟化物 4-(difluoromethyl)-1-methylpyrrole-3-carbonyl fluoride 448236-05-3 C7H6F3NO
    4-(二异丙基硅烷基)-苯基甲醇 (4-(diisopropylsilyl)phenyl)methanol 475160-70-4 C13H22OSi
    4-(二乙氧基甲基)-1,2-二甲氧基苯 4-(diethoxymethyl)-1,2-dimethoxybenzene 40527-43-3 C13H20O4
    4-(二乙基氨基)甲基-3-硝基-9H-氧杂蒽-9-酮 Xanthen-9-one, 4-(diethylamino)methyl-3-nitro- 43159-92-8 C18H18N2O4
    4-(二(2-甲基磺酰基氧乙基)氨基)苯甲醛 p-<N,N-Bis-(2-methansulfonyloxy-aethyl)-amino>-benzaldehyd 4248-79-7 C13H19NO7S2
    4-(乙酰氨基)苯磺酸苯酯 4-phenoxysulfonylacetanilide 43001-55-4 C14H13NO4S
    4-(乙酰基氨基)-3-甲氧基苯磺酰氯 4-Acetylamino-3-methoxy-benzenesulfonyl chloride 46713-94-4 C9H10ClNO4S
    4-(乙酰基氧基)-8-溴-5,6-二甲氧基-2-萘羧酸乙酯 4-Acetoxy-8-brom-5,6-dimethoxy-naphthoesaeure-(2)-ethylester 4147-31-3 C17H17BrO6
    4-(乙氧基苯基)-4-苯醌亚胺 N-p-Ethoxyphenyl-1,4-benzochinonimin 40014-81-1 C14H13NO2
    4-(乙氧基羰基氨基)丁酸 4-[(ethoxycarbonyl)amino]butanoic acid 4143-09-3 C7H13NO4
    4-(乙基氨基)苯甲酸乙酯 ethyl 4-(ethylamino)benzoate 42265-58-7 C11H15NO2
    4-(乙基氧基)-3-氧代丁酸甲酯 methyl γ-ethoxyacetoacetate 415678-65-8 C7H12O4
    4-(丙-2-烯-1-氧基)丁酸 4-(allyloxy)butanoic acid 44958-10-3 C7H12O3
    4-(三甲基甲硅烷基)-1-硝基苯 4-(trimethylsilyl)-1-nitrobenzene 4405-33-8 C9H13NO2Si
    4-(三氯甲基)-6-甲基-2-氧代-1,2,3,4-四氢嘧啶-5-羧酸乙酯 ethyl 4-(trichloro-methyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate 452357-80-1 C9H11Cl3N2O3
    4-(三氟甲硫基)苯酚 (4-trifluoromethylthio)phenol 461-84-7 C7H5F3OS
    4-(三氟甲氧基)苯硼酸频那醇酯 4,4,5,5-tetramethyl-2-(4-(trifluoromethoxy)phenyl)-1,3,2-dioxaborolane 474709-28-9 C13H16BF3O3
    4-(三氟甲氧基)苯甲酰胺 4-trifluoromethoxybenzamide 456-71-3 C8H6F3NO2
    4-(三氟甲氧基)苯基乙腈 (4-trifluoromethoxy-phenyl)-acetonitrile 49561-96-8 C9H6F3NO
    4-(三氟甲氧基)苯乙酸 4-(trifluoromethoxy)phenylacetic acid 4315-07-5 C9H7F3O3
    4-(三氟甲基磺酰基)苯酚 4-(trifluoromethylsulfonyl)phenol 432-84-8 C7H5F3O3S
    4-(三氟甲基磺酰基)硝基苯 1-nitro-4-(trifluoromethylsulfonyl)benzene 432-87-1 C7H4F3NO4S
    4-(三氟甲基)环己烷羰基氯化物 trans-4-(trifluoromethyl)cyclohexane-1-carbonyl chloride 477905-43-4 C8H10ClF3O
    4-(三氟甲基)-2-吡啶羧酸甲酯 methyl 4-(trifluoromethyl)picolinate 455941-78-3 C8H6F3NO2
    4-(三氟乙酰基氨基)苯甲酸-d4 trifluoroacetyl-[2H4]4-aminobenzoic acid 461426-32-4 C9H6F3NO3
    4-(丁氨基)苯甲酸 4-(N-butylamino)benzoic acid 4740-24-3 C11H15NO2
    4-(丁基亚硝基氨基)-2-丁醇 N-butyl-N-(3-hydroxybutyl)nitrosamine 40911-07-7 C8H18N2O2
    4-(beta-D-葡萄糖基)-3-甲氧基苯甲醛 glucovanillin 494-08-6 C14H18O8
    4-([[(4-叔丁基苯基)磺酰基]氨基]甲基)苯甲酸 4-(((4-(tert-butyl)phenyl)sulfonamido)methyl)benzoic acid 440350-92-5 C18H21NO4S
    4-([(2,5-二甲基呋喃-3-羰基)-氨基]-甲基)-5-甲基呋喃-2-羧酸 4-{[(2,5-Dimethyl-furan-3-carbonyl)-amino]-methyl}-5-methyl-furan-2-carboxylic acid 430448-79-6 C14H15NO5
    4-(N-马来酰亚胺基)苄基三甲基铵 4-(N-Maleimido)benzyltrimethylammonium 40748-21-8 C14H17N2O2+
    4-(N-叔丁氧羰基-n-甲基氨基)哌啶-1-羧酸苄酯 benzyl 4-((tert-butoxycarbonyl)(methyl)amino)piperidine-1-carboxylate 405057-76-3 C19H28N2O4
    4-(N-Boc-N-甲氨基)环己酮 tert-butyl N-methyl-N-(4-oxocyclohexyl)carbamate 400899-84-5 C12H21NO3
    4-(N,N-二甲氨基甲酰基)苯硼酸 4-(N,N-dimethylaminocarbonyl)phenylboronic acid 405520-68-5 C9H12BNO3
    4-(N,N-二甲基氨基磺酰基)苯硼酸频那醇酯 N,N-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene-1-sulfonamide 486422-04-2 C14H22BNO4S
    4-(N,N-二甲基氨基)-alpha,alpha-二[4-(二甲基氨基)苯基]-苯乙腈 tris(4',4'',4'''-N,N-dimethylaminophenyl) acetonitrile 4439-06-9 C26H30N4
    4-(N,N-二乙基氨基)苯基氧化砷 4-arsenoso-<i>N</i>,<i>N</i>-diethyl-aniline cyclooligomers 4164-06-1 C10H14AsNO
    4-(Boc-氨甲基)苯硼酸 4-((tert-butoxycarbonylamino)methyl)phenylboronic acid 489446-42-6 C12H18BNO4
    4-(9H-咔唑-9-基)苯硼酸 4-(carbazol-9-yl)phenylboronic acid 419536-33-7 C18H14BNO2
    4-(8-氟-3a,4,5,9b-四氢-3H-环戊基[c]喹啉)-苯甲酸 4-(8-fluoro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-4-yl)benzoic acid 436811-07-3 C19H16FNO2
    4-(7-丁基-5H-吡咯并[2,3-b]吡嗪-6-基)苯酚 Aloisine A 496864-16-5 C16H17N3O