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中文名称 英文名称 CAS号 化学式
3,4-二氨基-N,N-二乙基苯磺酰胺 3,4-diamino-N,N-diethyl-benzenesulfonamide 49804-28-6 C10H17N3O2S
3,4-二氨基-5-甲基苯甲腈 3,4-diamino-5-methyl-benzonitrile 468741-03-9 C8H9N3
3,4-二氨基-4-氧代丁酸 isoasparagine 498-25-9 C4H8N2O3
3,4-二氢吡喃甲酰胺 3,4-dihydro-2H-pyran-2-carboxamide 49831-28-9 C6H9NO2
3,4-二氢吡喃甲胺 (3,4-dihydro-2H-pyran-2-yl)methanamine 4781-76-4 C6H11NO
3,4-二氢-6,7-二羟基异喹啉 3,4-dihydroisoquinoline-6,7-diol 4602-83-9 C9H9NO2
3,4-二氢-4-苯基-2(1H)-喹啉 4-phenyl-3,4-dihydro-1H-quinolin-2-one 4888-33-9 C15H13NO
3,4-二氢-4-羟基-3-(苯基甲基)- 2H-1-苯并吡喃-2-酮 (+/-)-(3R,4RS)-3-benzyl-4-hydroxy-3,4-dihydrochromen-2-one 475570-89-9 C16H14O3
3,4-二氢-4-亚甲基-(9ci)-2H-吡喃并[3,2-b]吡啶 4-methylene-3,4-dihydro-2H-pyrano[3,2-b]pyridine 405174-46-1 C9H9NO
3,4-二氢-2H-苯并[C]氮杂卓-1,5-二酮 3,4-dihydro-1H-2-benzazepine-1,5(2H)-dione 41764-17-4 C10H9NO2
3,4-二氢-2H-1,5-苯并二噁英-6-甲醇 3,4-dihydro-2H-1,5-benzodioxepin-6-ylmethanol 499770-81-9 C10H12O3
3,4-二氢-2-苯基-2H-1-苯并吡喃 flavan 494-12-2 C15H14O
3,4-二氢-2-甲基-吡喃 2-methoxy-3,4-dihydro-2H-pyran 4454-05-1 C6H10O2
3,4-二氢-2,4-二氧代-1(2H)-嘧啶戊酸 1-(δ-carboxy-n-butyl)uracil 4114-00-5 C9H12N2O4
3,4-二氢-2,2-二甲基-2H-萘并[1,2-B]吡喃-5,6-二酮 2,2-dimethyl-3,4-dihydro-2H-benzo[h]chromene-5,6-dione 4707-32-8 C15H14O3
3,4-二氢-2,2,5-三甲基-2H-吡咯 1-氧化物 2,5,5-trimethylpyrroline N-oxide 4567-18-4 C7H13NO
3,4-二氢-1H-苯并吡喃 chromane 493-08-3 C9H10O
3,4-二氢-1H-异苯并吡喃-3-醇 3-isochromanol 42900-89-0 C9H10O2
3,4-二氢-1H-2-苯并噻喃 isothiochroman 4426-75-9 C9H10S
3,4-二氢-1,8-萘啶-2(1H)-酮 3,4-dihydro-1H-[1,8]naphthyridin-2-one 40000-79-1 C8H8N2O
3,4-二氟苯甲酸 3,4-Difluorobenzoic acid 455-86-7 C7H4F2O2
3,4-二氟苯异氰酸酯 3,4-difluorophenyl isocyanate 42601-04-7 C7H3F2NO
3,4-二氟苯基异氰酸酯 3,4-difluorophenyl isocyanide 472958-69-3 C7H3F2N
3,4-二氟苯乙烯 3,4-difluorostyrene 405-03-8 C8H6F2
3,4-二去氢维甲酸 3,4-didehydroretinoic acid 4159-20-0 C20H26O2
3,4-二乙炔基苯甲醛 3,4-diethynylbenzaldehyde 412041-54-4 C11H6O
3,4-二乙氧基苯胺盐酸盐 3,4-Diethoxyaniline hydrochloride 4956-84-7 C10H16ClNO2
3,4-二乙氧基硝基苯 1,2-diethoxy-4-nitrobenzene 4992-63-6 C10H13NO4
3,4-二丁氧基苯胺 3,4-di(butyloxy)aniline 4956-63-2 C14H23NO2
3,4-二(羟基甲基)-6-甲氧基-6-甲基-1,6-二氢-2,5-吡啶二酮 3,4-bis(hydroxymethyl)-6-methoxy-6-methyl-1H-pyridine-2,5-dione 475571-47-2 C9H13NO5
3,4-二(羟基甲基)-2,5-呋喃二酮 bis(hydroxymethyl)maleic anhydride 479035-71-7 C6H6O5
3,4-O-异亚丙基-L-阿拉伯糖 3,4-O-isopropylidene-D-arabinose 40031-36-5 C8H14O5
3,4-(亚甲二氧基)苯甲基硫代异氰酸酯 1,3-benzodioxol-5-ylmethyl isothiocyanate 4430-47-1 C9H7NO2S
3,4,9,10-苝四甲酸二酰肼 2,9-diaminoanthra[2,1,9-def;6,5,10-d′e′f ′]diisoquinolin-1,3,8,10-tetraone 49546-23-8 C24H12N4O4
3,4,6-三甲基-2-硝基-苯胺 3,4,6-trimethyl-2-nitro-aniline 41571-53-3 C9H12N2O2
3,4,6-三甲基-1,2-苯二胺 3,4,6-trimethyl-<i>o</i>-phenylenediamine 4846-22-4 C9H14N2
3,4,6-三氯-5-甲基哒嗪 3,4,6-Trichloro-5-methylpyridazine 499235-55-1 C5H3Cl3N2
3,4,6-三-o-乙酰基-2-乙酰氨基-2-脱氧-a-d-硫代吡喃葡萄糖苷乙酯 (5-Acetamido-3,4-diacetyloxy-6-ethylsulfanyloxan-2-yl)methyl acetate 49810-41-5 C16H25NO8S
3,4,5-三苯基-4H-1,2,4-三唑 3,4,5-triphenyl-1,2,4-triazole 4073-72-7 C20H15N3
3,4,5-三甲氧基苯脒 3,4,5-trimethoxy-benzamidine 4156-70-1 C10H14N2O3
3,4,5-三甲氧基苯甲酸萘-2-基酯 3,4,5-trimethoxybenzoic acid naphthalene-2-yl ester 457923-26-1 C20H18O5
3,4,5-三甲氧基苯甲酰氯 3,4,5-Trimethoxybenzoyl chloride 4521-61-3 C10H11ClO4
3,4,5-三甲氧基苯甲脒盐酸盐(1:1) 3,4,5-trimethoxybenzamidine hydroklorid 4156-59-6 C10H14N2O3*ClH
3,4,5-三甲氧基苯基 beta-D-吡喃葡萄糖苷 3,4,5-trimethoxyphenyl-O-β-D-glucopyranoside 41514-64-1 C15H22O9
3,4,5-三甲氧基苄胺盐酸盐 3,4,5-trimethoxybenzaldehyde hydrochloride 42365-69-5 C10H15NO3*ClH
3,4,5-三甲氧基-苯磺酸 3,4,5-Trimethoxy-benzolsulfonsaeure 42771-33-5 C9H12O6S
3,4,5-三甲氧基-alpha-(吗啉基亚甲基)苯基乙腈 3,4,5-Trimethoxy-I+/--(4-morpholinylmethylene)benzeneacetonitrile 49679-37-0 C16H20N2O4
3,4,5-三甲氧基-N-(2-甲氧基乙基)-N-(4-苯基-2-噻唑基)苯甲酰胺 N-(2-methoxyethyl)-N-(4-phenyl-2-thiazolyl)-3,4,5-trimethoxybenzeneacetamide 461000-66-8 C22H24N2O5S
3,4,5-三甲基-苯甲酰胺 3,4,5-trimethylbenzamide 4476-06-6 C10H13NO
3,4,5-三氨基苯硫醇 3,4,5-triamino-thiophenol 408340-26-1 C6H9N3S