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中文名称 英文名称 CAS号 化学式
3,4-双(苄氧基)-5-硝基苯甲酸甲酯 Methyl 3-nitro-4,5-bis(phenylmethoxy)benzoate 1391712-04-1 C22H19NO6
3,4-双(甲氧羰基)苯硼酸 (3,4-bis(methoxycarbonyl)phenyl)boronic acid 1072951-51-9 C10H11BO6
3,4-双(环丙基甲氧基)-n-(3,5-二氯吡啶-4-基)苯甲酰胺 3,4-bis(cyclopropylmethoxy)-N-(3,5-dichloropyridin-4-yl) benzamide 1391052-24-6 C20H20Cl2N2O3
3,4-双(十二烷氧基)-5-羟基苯甲酸乙酯 ethyl 3,4-bis(dodecyloxy)-5-hydroxybenzoate 1041778-76-0 C33H58O5
3,4-双(二溴甲基)苯甲酸 3,4-bis(dibromomethyl)benzoic acid 19047-21-3 C9H6Br4O2
3,4-双(二氟甲氧基)苯甲醛 3,4-bis-(difluoromethoxy)-benzaldehyde 127842-54-0 C9H6F4O3
3,4-双(二氟甲氧基)苯甲酸 3,4-Bis(difluoromethoxy) benzoic acid 162401-60-7 C9H6F4O4
3,4-双(乙氧基甲氧基)苯甲醛 3,4-diethoxymethoxybenzaldehyde 128837-28-5 C13H18O5
3,4-双(丙氨基)杂螺环-3-烯-1,2-二酮 3,4-Bis(propylamino)cyclobut-3-ene-1,2-dione 175204-26-9 C10H16N2O2
3,4-双(三甲基硅氧基)苯甲醛 3,4-bis(trimethylsiloxy)-benzaldehide 10586-13-7 C13H22O3Si2
3,4-双(三氟甲基)苯硼酸 [3,4-bis(trifluoromethyl)phenyl]boronic acid 1204745-88-9 C8H5BF6O2
3,4-双(三氟甲基)硝基苯 4-Nitro-1.2-bis-trifluormethyl-benzol 1978-20-7 C8H3F6NO2
3,4-双(4-羟基苯基)环丁烷-1,2-二羧酸 p-hydroxytruxinic acid 133097-99-1 C18H16O6
3,4-双((4-甲氧基苄基)氧基)-N-(2-(吡咯烷-1-基)乙基)苯甲酰胺 3,4-bis((4-methoxybenzyl)oxy)-N-(2-(pyrrolidin-1-yl)ethyl)benzamide 1225208-49-0 C29H34N2O5
3,4-去氟吉非替尼杂质 Gefitinib 3,4-difluoro impurity hydrochloride 184475-68-1 C22H25ClF2N4O3
3,4-亚甲基二氧溴苯 methyl 4-(bromomethyl)-3-fluorobenzoate 128577-47-9 C9H8BrFO2
3,4-亚甲基二氧基亚苄基苯甲胺 N-benzylidene piperonylamine 112776-37-1 C15H13NO2
3,4-亚甲基二氧基乙酰苯胺 3,4-methylenedioxyacetanilide 13067-19-1 C9H9NO3
3,4-亚甲二氧基苯胺 benzo[1,3]dioxolo-5-ylamine 14268-66-7 C7H7NO2
3,4-亚甲二氧基苯乙胺 homopiperonylamine hydrochloride 1653-64-1 C9H11NO2*ClH
3,4-亚甲二氧基肉桂醛 3,4-methylenedioxycinnamaldehyde 14756-00-4 C10H8O3
3,4-亚甲二氧基肉桂基羟基哌啶 2-[(E)-3-(1,3-benzodioxol-5-yl)prop-2-enyl]-1-hydroxypiperidine 122427-16-1 C15H19NO3
3,4-亚甲二氧基-alpha-苯基-4'-[2-(1-吡咯烷基)乙氧基]查耳酮 3-(3,4-Methylenedioxyphenyl)-2-phenyl-4'-beta-pyrrolidinoethoxyacrylophenone 15272-65-8 C28H27NO4
3,4-亚甲二氧-beta-硝基苯乙烯 5-(2-nitrovinyl)benzo[1,3]dioxole 1485-00-3 C9H7NO4
3,4-亚丙基二氧噻吩-2,5-二羧酸 3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine-6,8-dicarboxylic acid 177364-98-6 C9H8O6S
3,4-亚丙基二氧噻吩 3,4-(propane-1,3-diyldioxy)thiophene 155861-77-1 C7H8O2S
3,4-二辛基噻吩 3,4-dioctylthiophene 161746-06-1 C20H36S
3,4-二辛基-己烷-2,5-二酮二肟 3,4-dioctyl-hexane-2,5-dione dioxime 102885-70-1 C22H44N2O2
3,4-二辛基-己烷-2,5-二酮 3,4-dioctyl-hexane-2,5-dione 102885-11-0 C22H42O2
3,4-二萘-2-基噻吩 3,4-Di(naphthalen-2-yl)thiophene 100990-31-6 C24H16S
3,4-二苯甲酰基-5-羟基-5H-呋喃-2-酮 3,4-dibenzoyl-2-hydroxy-2H-furan-5-one 104919-88-2 C18H12O5
3,4-二苯基苯胺 4'-amino-o-terphenyl 10569-67-2 C18H15N
3,4-二苯基硒吩 3,4-diphenylselenophene 113495-68-4 C16H12Se
3,4-二苯基环戊烯 3,4-Diphenylcyclopentene 175415-61-9 C17H16
3,4-二苯基异苯并吡喃-1-酮 3,4-diphenyl-isochromen-1-one 1684-07-7 C21H14O2
3,4-二苯基己二腈 d,l-3,4-diphenyladiponitrile 18891-12-8 C18H16N2
3,4-二苯基己二腈 3,4-diphenyl-adiponitrile 18891-12-8 C18H16N2
3,4-二苯基噻吩-2,5-二碳腈 3,4-Diphenylthiophene-2,5-dicarbonitrile 175205-73-9 C18H10N2S
3,4-二苯基噻吩 3,4-diphenylthiophene 16939-13-2 C16H12S
3,4-二苯基亚甲基木犀草素 2-(2,2-diphenylbenzo[d][1,3]dioxol-5-yl)-5,7-dihydroxy-4H-chromen-4-one 1201808-21-0 C28H18O6
3,4-二苯基丁醛 3,4-diphenylbutanal 141885-86-1 C16H16O
3,4-二苯基-2-噁唑烷酮 3,4-diphenyloxazolidin-2-one 13606-71-8 C15H13NO2
3,4-二苯基-2-丙基喹啉 3,4-diphenyl-2-propylquinoline 1027006-00-3 C24H21N
3,4-二苯基-2,5-己二酮二肟 3,4-Diphenyl-2,5-hexanedione Dioxime 105381-43-9 C18H20N2O2
3,4-二苯基-2,5-二氢噻吩 3-(2-chlorophenyl)-4-phenylthiophene 100989-94-4 C16H14S
3,4-二苯基-1H-吡咯 3,4-diphenyl-1H-pyrrole 1632-48-0 C16H13N
3,4-二苯基-1,3-恶唑烷-2-硫酮 3,4-diphenyl-1,3-oxazolidine-2-thione 137146-14-6 C15H13NOS
3,4-二苯基-1,2,5-恶二唑 3,4-diphenylfurazan 19768-02-6 C14H10N2O
3,4-二苄氧基苯乙腈 (3,4-bis-benzyloxyphenyl)acetonitrile 1699-60-1 C22H19NO2
3,4-二苄氧基苄胺 3,4-dibenzyloxybenzyl amine 190018-05-4 C21H21NO2