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    中文名称 英文名称 CAS号 化学式
    (4,5-二氢-3,4-二甲基-5-氧代-1H-吡唑-1-基)苯磺酸 2-(3,4-Dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid 99595-95-6 C11H12N2O4S
    (4,5-二氢-2-甲基咪唑并[4,5-d][1]苯并氮杂卓-6(1H)-基)(4-硝基苯基)甲酮 2-methyl-6-(4-nitrobenzoyl)-1,4,5,6-tetrahydroimidazo-[4,5-d][1]benzazepine 168626-71-9 C19H16N4O3
    (4,5-二氢-2-噻唑)-邻甲苯胺 (4,5-dihydro-thiazol-2-yl)-<i>o</i>-tolyl-amine 35160-10-2 C10H12N2S
    (4,5-二氢-2-噻唑)-苯乙胺 phenethylamino-2 dihydro-4,5 thiazole 91215-17-7 C11H14N2S
    (4,5-二氢-2-噻唑)-异丁胺 (4,5-Dihydro-thiazol-2-yl)-isobutyl-amine 79146-95-5 C7H14N2S
    (4,5-二氢-2-噻唑)-[2-(4-甲氧基苯基)-乙基]-胺 (4,5-Dihydro-thiazol-2-yl)-[2-(4-methoxy-phenyl)-ethyl]-amine 143543-81-1 C12H16N2OS
    (4,5-二氢-2-噻唑)-(4-甲氧基苯基)-胺 (4,5-dihydro-thiazol-2-yl)-(4-methoxy-phenyl)-amine 56242-67-2 C10H12N2OS
    (4,5-二氢-2-噻唑)-(2-甲氧基苯基)-胺 (4,5-dihydro-thiazol-2-yl)-(2-methoxy-phenyl)-amine 103151-15-1 C10H12N2OS
    (4,5-二氟-2-硝基-苯基)-甲醇 (4,5-difluoro-2-nitrophenyl)methanol 914095-13-9 C7H5F2NO3
    (4,5-二氟-2-甲基-苯基)硼酸 (4,5-difluoro-2-methylphenyl)boronic acid 1416244-48-8 C7H7BF2O2
    (4,5-二氟-2-((4-羟基哌啶-1-基)磺酰)苯基)硼酸 (4,5-Difluoro-2-((4-hydroxypiperidin-1-yl)sulfonyl)phenyl)boronic acid 1704069-01-1 C11H14BF2NO5S
    (4,5-二乙酰氧基-2-氯-3-甲酰基-6-甲基-1H-吲哚-7-基)乙酸酯 2-Chlor-3-formyl-4,5,7-triacetoxy-6-methyl-indol 73355-43-8 C16H14ClNO7
    (4,5,8-三乙酰氧基萘-1-基)乙酸酯 1,4,5,8-Tetraacetoxy-naphthalin 6047-49-0 C18H16O8
    (4,5,6,7-四碘-1,3-二氧代-1,3-二氢-2H-异吲哚-2-基)乙酸 3,4,5,6-Tetraiod-phthalimidoessigsaeure 19231-60-8 C10H3I4NO4
    (4,5,6,7-四氢吡唑并[1,5-a]吡嗪-2-基)甲醇 (4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-yl)methanol 623565-69-5 C7H11N3O
    (4,5,6,7-四氢吡唑并[1,5-a]吡啶-2-基)甲醇 (4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)methanol 623564-49-8 C8H12N2O
    (4,5,6,7-四氢吡唑并[1,5-A]吡啶-3-基)甲胺盐酸盐 (4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridin-3-yl)methanamine hydrochloride 1949816-60-7 C8H14ClN3
    (4,5,6,7-四氢-苯并噻唑-2-基)-乙腈 2-cyanomethyl-4,5,6,7-tetrahydrobenzothiazole 497933-46-7 C9H10N2S
    (4,5,6,7-四氢-1H-吲唑-5-基)氨基甲酸叔丁酯 (+/-)-(4,5,6,7-Tetrahydro-2H-indazol-5-yl)-carbamic acid tert-butyl ester 1158767-01-1 C12H19N3O2
    (4,4a-二甲基-6-丙-2-亚基-2,3,4,5,7,8-六氢萘-2-基)乙酸酯 2,3,4,4a,5,6,7,8-Octahydro-4,4a-dimethyl-6-(1-methylethylidene)-2-naphthyl acetate 39850-93-6 C17H26O2
    (4,4-二苯基-丁-3-烯基)-二甲基-胺 N,N-dimethyl-4,4-diphenyl-3-butenylamine 46970-87-0 C18H21N
    (4,4-二苯基-1-环己烯基)甲胺盐酸盐 C-(4,4-Diphenyl-cyclohex-1-enyl)-methylamine; hydrochloride 65445-82-1 C19H21N*ClH
    (4,4-二硝基[1,1-联苯]2,2-二)二羟甲基 4,4'-dinitro-(1,1'-biphenyl)-2,2'-dimethanol 5047-02-9 C14H12N2O6
    (4,4-二甲氧基-2,2,6,6-四甲基哌啶-1-基)乙酸酯 1-acetoxy-4,4-dimethoxy-2,2,6,6-tetramethylpiperidine 137063-51-5 C13H25NO4
    (4,4-二甲基环己基)乙酸 2-(4,4-dimethylcyclohexyl)acetic acid 681448-25-9 C10H18O2
    (4,4-二甲基环己基)2,2-二(苯基)乙酸酯 4-Diphenylacetoxy-1,1-dimethylcyclohexane 144396-37-2 C22H26O2
    (4,4-二甲基氧杂环丁烷-2-基)甲醇 (4,4-dimethyloxetan-2-yl)methanol 61266-55-5 C6H12O2
    (4,4-二甲基戊-1-烯-3,3-二基)二苯 (4,4-dimethylpent-1-ene-3,3-diyl)dibenzene 107847-45-0 C19H22
    (4,4-二甲基-2-氧代-1,4-二氢-2H-3,1-苯并恶嗪-6-基)硼酸 (1,4-dihydro-4,4-dimethyl-2-oxo-2H-3,1-benzoxazin-6-yl)boronic acid 304853-90-5 C10H12BNO4
    (4,4-二甲基-2-亚甲基戊基)琥珀酸,化合物与2,2-亚氨基二乙醇(1:2) Einecs 302-059-0 94088-57-0 C20H42N2O8
    (4,4-二甲基-2,5-二氧代咪唑烷-1,3-二基)二乙烯二月桂酸酯 (4,4-Dimethyl-2,5-dioxoimidazolidine-1,3-diyl)diethylene dilaurate 63059-80-3 C33H60N2O6
    (4,4-二甲基-2,5-二氧代-咪唑啉-1-基)-乙酸 2-(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)acetic acid 177941-95-6 C7H10N2O4
    (4,4-二甲基-1-苯基戊-1-炔-3-基)甲基碳酸酯 1-tert-butyl-3-phenylprop-2-yn-1-yl methyl carbonate 849927-48-6 C15H18O3
    (4,4-二甲基-1,3-二恶烷-5-基)甲醇 4,4-dimethyl-5-hydroxymethyl-1,3-dioxane 3258-96-6 C7H14O3
    (4,4-二甲基-1,2-戊二烯-3-基)苯 4,4-dimethyl-3-phenylpenta-1,2-diene 57188-75-7 C13H16
    (4,4-二溴-3-苯基丁-3-烯-1-炔-1-基)三甲基硅烷 (4,4-dibromo-3-phenylbut-3-en-1-yn-1-yl)trimethylsilane 879560-00-6 C13H14Br2Si
    (4,4-二氯-3,3-二氟-1-环丁烯基)苯 1,1-Difluor-2,2-dichlor-3-phenyl-cyclobuten 340-01-2 C10H6Cl2F2
    (4,4-二氟环己基甲基)氨基甲酸叔丁酯 tert-butyl (4,4-difluorocyclohexyl)methylcarbamate 809273-64-1 C12H21F2NO2
    (4,4-二氟环己基)甲胺盐酸盐 (4,4-difluorocyclohexyl)methanamine hydrochloride —— C7H13F2N*ClH
    (4,4-二氟环己基)乙酸 2-(4,4-difluorocyclohexyl)acetic acid 915030-40-9 C8H12F2O2
    (4,4-二氟哌啶-3-基)甲醇 (4,4-difluoro-3-piperidyl)methanol 1331823-62-1 C6H11F2NO
    (4,4-二氟丁-3-烯-1-基)苯 (4,4-difluorobut-3-en-1-yl)benzene 134134-76-2 C10H10F2
    (4,4-二乙氧基-1-苯基丁-1-烯-2-基)(甲基)硫烷 (4,4-diethoxy-2-methylsulfanylbut-1-enyl)benzene 89588-38-5 C15H22O2S
    (4,4-二乙氧基-1-哌啶基)乙腈 1-(cyanomethyl)-4,4-diethoxypiperidine 141529-07-9 C11H20N2O2
    (4,4-二乙基-2,5-二氧代咪唑啉-1-基)乙酸 5,5-Diaethyl-hydantoin-3-essigsaeure 714-71-6 C9H14N2O4
    (4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-十七氟-2-羟基十一烷基)双(2-羟基乙基)甲基铵碘化物 (4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoro-2-hydroxyundecyl)bis(2-hydroxyethyl)methylammonium iodide 93776-18-2 C16H19F17INO3
    (4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-十七氟-2-羟基十一烷基)三甲基碘化铵 1-trimethylammonium-4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoroundecan-2-ol, iodide 92071-84-6 C14H15F17NO*I
    (4,4,5,5,6,6,6-七氟-2-碘己基)乙酸酯 4,4,5,5,6,6,6-heptafluoro-2-iodohexyl acetate 3108-05-2 C8H8F7IO2
    (4,4,4-三氟丁基)硫氰酸酯 4,4,4-trifluorobutyl thiocyanate 212190-13-1 C5H6F3NS
    (4,4,4-三氟-1-丁基)苯 (4,4,4-trifluorobutyl)benzene 104315-86-8 C10H11F3