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    中文名称 英文名称 CAS号 化学式
    4,6,6-三乙氧基-5-甲基-2-己酮 4,6,6-triethoxy-5-methyl-2-hexanone 104765-38-0 C13H26O4
    4,6,6-三乙氧基-2-甲基-庚-2-烯 4,6,6-triethoxy-2-methyl-hept-2-ene 106522-69-4 C14H28O3
    4,6,10-十六碳三烯-1-醇,乙酸酯,(Z,E,Z)- (4E,6Z,10Z)-4,6,10-hexadecatrienyl acetate 139650-81-0 C18H30O2
    4,6,10,12-四甲基-2,4-十三碳二烯-7-酮 matsuone 121981-51-9 C17H30O
    4,6,-二(氯甲基)间二甲苯 4,6-bis(chloromethyl)-m-xylene 1585-15-5 C10H12Cl2
    4,6(1H,5H)-嘧啶二酮,5-乙酰基二氢-2-硫代- 5-acetyl-2-thiobarbituric acid 1833-22-3 C6H6N2O3S
    4,5二胺基邻苯二氰 4,5-diaminophthalonitrile 129365-93-1 C8H6N4
    4,5alpha-环氧-17-甲基-6alpha-哌啶基吗喃-3-醇 6-Piperidodihydromorphide 13851-14-4 C22H30N2O2
    4,5]呋喃并[3,2-D]嘧啶 2,4-dichloropyrido[3',2':4,5]furo[3,2-d]pyrimidine 1268241-74-2 C9H3Cl2N3O
    4,5:4’,5’-二苯并-1,1’-二丁基-3,3,3’,3’-四甲基吲哚二碳菁高氯酸盐 3-Butyl-2-[5-(3-butyl-1,3-dihydro-1,1-dimethyl-2h-benzo[e]indol-2-ylidene)-penta-1,3-dienyl]-1,1-dimethyl-1h-benzo[e]indolium perchlorate 121482-73-3 C41H47ClN2O4
    4,5:11,12-二苯并靴二蒽 4,5:11,12-dibenzoperopyren 191-53-7 C34H18
    4,5-苯并噻唑二胺,2-甲基- (R)-(+)-1-<4-(2-Methoxyphenyl)-1-piperazinyl>-3-(1-naphthyloxy)-2-propanol 127931-15-1 C24H28N2O3
    4,5-碘甲基-2-苯基-1,2,3-三唑 4,5-iodomethyl-2-phenyl-1,2,3-triazole 145324-79-4 C10H9I2N3
    4,5-环氧四氢邻苯二甲酸二辛（2-乙基已基）酯 4,5-epoxy-cyclohexane-1,2-dicarboxylic acid bis-(2-ethyl-hexyl ester) 10138-36-0 C24H42O5
    4,5-环氧-2-甲氧基-6-甲基-四氢-吡喃-3-醇 4,5-Epoxy-2-methoxy-6-methyl-tetrahydro-pyran-3-ol 101053-04-7 C7H12O4
    4,5-环氧-1-硝基-4,5-二氢苯并(E)芘 4,5-Epoxy-1-nitro-4,5-dihydrobenzo(e)pyrene 115664-49-8 C20H11NO3
    4,5-环氧-1-己烯 4,5-epoxy-1-hexene 14031-68-6 C6H10O
    4,5-环氧-1,1,2,3,3,4,5,5-八氟戊-1-烯 4,5-Epoxy-1,1,2,3,3,4,5,5-octafluoropent-1-ene 15453-08-4 C5F8O
    4,5-异苯并呋喃二醇,1,3-二氢-1-[(甲基氨基)甲基]-,氢溴化 4,5-dihydroxy-1-<(N-methylamino)methyl>phthalan hydrobromide 104834-88-0 BrH*C10H13NO3
    4,5-异噁唑二甲腈 4,5-isoxazoledicarbonitrile 1256633-32-5 C5HN3O
    4,5-庚二烯醛 4,5-Heptadienal 106417-02-1 C7H10O
    4,5-己二烯酸甲酯 methyl hexa-4,5-dienoate 114971-88-9 C7H10O2
    4,5-噻唑二羧酸,2-(2-噻嗯基)-,二乙基酯 2-(2-Thienyl)-4,5-dicarbaethoxythiazol 14037-19-5 C13H13NO4S2
    4,5-噻唑二甲醛 4,5-Diformyl-thiazol 13669-78-8 C5H3NO2S
    4,5-噻唑二甲醇 thiazole-4,5-diyldimethanol 1393686-89-9 C5H7NO2S
    4,5-噻唑二甲酸二乙酯 diethyl thiazole-4,5-dicarboxylate 18940-72-2 C9H11NO4S
    4,5-嘧啶二羧酸,2-甲基-,二乙基酯 diethyl 2-methylpyrimidine-4,5-dicarboxylate 1860-98-6 C11H14N2O4
    4,5-哒嗪二醇,六氢-3-甲基-,(3α,4β,5β)-(9CI) beta-Tethymustine 198416-57-8 C18H23Cl2N3O2
    4,5-咪唑烷二酮,2-[4-(二甲氨基)苯基]-1,3-二苯基- 1,3-diphenyl-2-<4-(dimethylamino)phenyl>imidazolidine-4,5-dione 104716-73-6 C23H21N3O2
    4,5-双二苯基膦-9,9-二甲基氧杂蒽 Xantphos 161265-03-8 C39H32OP2
    4,5-双-[s-(1-乙氧基乙基)-疏基乙酰胺]-戊酸-2,3,5,6-四氟苯酯 2,3,5,6-tetrafluorophenyl 4,5-bis(S-1-ethoxyethyl-mercapto-acetamido)pentanoate 125488-70-2 C23H32F4N2O6S2
    4,5-双-[N'-(丁基)硫脲基]-2,7-二叔丁基-9,9-二甲基氧杂蒽 Chloride ionophore IV 187404-67-7 C33H50N4OS2
    4,5-双-(4-甲氧基-苯基)噻唑-2-羧酸乙酯 4,5-bis(4-methoxyphenyl)thiazole-2-carboxylic acid ethyl ester 130717-61-2 C20H19NO4S
    4,5-双(苯基甲氧基)-2-吡啶羧酸 4,5-bis(benzyloxy)picolinic acid 112334-46-0 C20H17NO4
    4,5-双(苄氧基)吡啶-2-碳酰肼 4,5-bis(benzyloxy)pyridine-2-carbohydrazide 1229937-08-9 C20H19N3O3
    4,5-双(苄氧基)-2-羟基苯甲酸苄酯 4,5-bis(benzyloxy)-2-hydroxybenzoic acid benzyl ester 1023273-38-2 C28H24O5
    4,5-双(苄氧基)-2-甲氧基苯甲酸苄酯 4,5-bis(benzyloxy)-2-methoxybenzoic acid benzyl ester 1023275-08-2 C29H26O5
    4,5-双(羟甲基)-2-甲基吡啶盐酸盐 4,5-Bis(hydroxymethyl)-2-methylpyridine hydrochloride 10597-41-8 C8H11NO2*ClH
    4,5-双(溴甲基)-1-苯基三唑 4,5-bis(bromomethyl)-1-phenyl-1,2,3-triazole 143850-00-4 C10H9Br2N3
    4,5-双(三氟甲基)-9,10-二氢菲 4,5-bis(trifluoromethyl)-9,10-dihydrophenanthrene 108665-37-8 C16H10F6
    4,5-双(4-甲氧基苯基)异噻唑 4,5-bis(4-methoxyphenyl)isothiazole 1041424-85-4 C17H15NO2S
    4,5-双(4-甲氧基苯基)-2-(1H-吡咯-2-基)-1,3-噻唑 4,5-bis(4-methoxyphenyl)-2-(pyrrol-2-yl)-thiazole 101001-71-2 C21H18N2O2S
    4,5-双(4-甲氧基苄基)-1-甲基-1H-咪唑-2-胺 4,5-bis(4-methoxybenzyl)-1-methyl-1H-imidazol-2-amine 1206617-51-7 C20H23N3O2
    4,5-双(4-甲基苯基)-2-苯基-1,2,3-三唑 4,5-bis(4-methylphenyl)-2-phenyl-1,2,3-triazol 10591-73-8 C22H19N3
    4,5-双(4-氯苯基)-1,2,3-三唑 4,5-bis(4-chlorophenyl)-2H-1,2,3-triazole 120106-66-3 C14H9Cl2N3
    4,5-双(2-甲氧基乙氧基)-2-硝基苯甲酰胺 4,5-bis(2-methoxyethoxy)-2-nitrobenzamide 1172625-04-5 C13H18N2O7
    4,5-双(2-氰乙基硫代)-1,3-二硫醇-2-硫酮 4,5-bis((2-cyanoethyl)thio)-1,3-dithiole-2-thione 132765-35-6 C9H8N2S5
    4,5-双(2-氰乙基硫代)-1,2-二硫醇-2-酮 4,5-bis(2-cyanoethylthio)-1,3-dithiol-2-one 158871-28-4 C9H8N2OS4
    4,5-双(2-吡啶基)-4-咪唑啉-2-酮 4,5-bis(2-pyridyl)-4-imidazolin-2-one 100382-45-4 C13H10N4O
    4,5-亚甲基二氧基吲哚 4,5-(methylenedioxy)indole 17367-93-0 C9H7NO2