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中文名称 英文名称 CAS号 化学式
3,4-二亚甲基芘 3,4-dihydrocyclopenta<c,d>pyrene 25732-74-5 C18H12
3,4-二乙酰基-3-己烯-2,5-二酮 3,4-diacetylhex-3-ene-2,5-dione 27871-55-2 C10H12O4
3,4-二乙氧基苯甲醛 3,4-diethoxybenzaldehyde 2029-94-9 C11H14O3
3,4-二乙氧基苯乙腈 2-(3,4-diethoxyphenyl)-acetonitrile 27472-21-5 C12H15NO2
3,4-二乙氧基甲苯 3,4-diethoxy-toluene 2612-56-8 C11H16O2
3,4-二乙基-2,5-呋喃二酮 2,3-diethylmaleic anhydride 28843-39-2 C8H10O3
3,4-二乙基-1H-吡咯-2-羧酸乙酯 (3,4-difluorophenyl)carbamic acid ethyl ester 2145-85-9 C9H9F2NO2
3,4-二[(三甲基硅烷基)氧基]二氢-2(3H)-呋喃酮 L-threonic acid-4-lactone 21730-93-8 C4H6O4
3,4-二[(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-十五氟-1-氧代辛基)氨基]苯磺酰氯 3,4-Bis((2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-1-oxooctyl)amino)benzenesulphonyl chloride 24216-05-5 C22H5ClF30N2O4S
3,4-二(亚甲基)环戊酮 3,4-Dimethylencyclopentanon 27646-73-7 C7H8O
3,4-乙撑基二氧甲醛噻吩 3,4-ethylenedioxythiophene-2-carboxaldehyde 204905-77-1 C7H6O3S
3,4-丙烯二氧吡咯 3,4-propylenedioxypyrrole 259737-86-5 C7H9NO2
3,4-(亚甲基二氧)苯丙酮 3,4-methylenedioxypropiophenone 28281-49-4 C10H10O3
3,4-(亚甲二氧基)苦杏仁酸 3,4-(methylenedioxy)mandelic acid 27738-46-1 C9H8O5
3,4-(亚甲二氧)肉桂酸 3,4-(methylenedioxy)cinnamic acid 2373-80-0 C10H8O4
3,4-(2′,2′-二乙基丙烯)二氧噻吩 3,4-(2,2-diethylpropane-1,3-diyldioxy)thiophene 259139-19-0 C11H16O2S
3,4-(2,2-二甲基丙烯二氧基)噻吩 3,3-dimethyl-3,4-dihydro-2H-thieno[3,4-b][1,4]dioxepine 255901-50-9 C9H12O2S
3,4,8-三甲基-7-(2-氧代丙氧基)-2H-苯并吡喃-2-酮 3,4,8-trimethyl-7-(2-oxopropoxy)-2H-chromen-2-one 21861-39-2 C15H16O4
3,4,8-三甲基-3H-咪唑并[4,5-F]喹喔啉-2-胺-2-14C 2-Amino-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline-2-14C 210100-52-0 C12H13N5
3,4,8-三氯-喹啉 3,4,8-Trichlorchinolin 25771-77-1 C9H4Cl3N
3,4,7-三羟基黄酮 3',4',7-trihydroxyflavone 2150-11-0 C15H10O5
3,4,6-三甲氧基-DL-苯丙氨酸 (+/-)-3-<2,4,5-Trimethoxy-phenyl>-alanin 23358-63-6 C12H17NO5
3,4,6-三甲基三唑并[4,5-e]嘧啶-5,7-二酮 3,4,6-trimethyl-5,7-dioxo-4,5,6,7-tetrahydro-1,2,3-triazolo<4,5-d>pyrimidine 2278-16-2 C7H9N5O2
3,4,6-三甲基-1-苯并呋喃 3,4,6-trimethyl-benzofuran 25826-59-9 C11H12O
3,4,6-三氯环己-3,5-二烯-1,2-二酮 N-(2,4-Dichlorophenacyl)imidazole nitrate 24155-29-1 C11H9Cl2N3O4
3,4,6,7-四氢吡咯并(3,2,1-jk)(1,4)苯并二氮杂卓-1(2H)-酮 1,2,4,5-Tetrahydropyrrolo<3,2,1-jk><1,4>-benzodiazepin-7(6H)-on 28740-77-4 C11H12N2O
3,4,5-混杀威 3,4,5-trimethacarb 2686-99-9 C11H15NO2
3,4,5-三苯基异恶唑 triphenylizoxazole 22020-72-0 C21H15NO
3,4,5-三羟基苯甲醛 一水合物 3,4,5-trihydroxybenzaldehyde monohydrate 207742-88-9 C7H6O4*H2O
3,4,5-三碘苯甲酸 3,4,5-triiodobenzoic acid 2338-20-7 C7H3I3O2
3,4,5-三碘苯甲酰氯 3,4,5-triiodobenzoyl chloride 22205-68-1 C7H2ClI3O
3,4,5-三甲苯甲酸 2,3,5-trimethyl-benzoic acid 2437-66-3 C10H12O2
3,4,5-三甲氧基苯胺 3,4,5-Trimethoxyaniline 24313-88-0 C9H13NO3
3,4,5-三甲氧基苯硼酸频那醇酯 4,4,5,5-tetramethyl-2-(3,4,5-trimethoxyphenyl)-1,3,2-dioxaborolane 214360-67-5 C15H23BO5
3,4,5-三甲氧基肉桂酸 (E)-3,4,5-trimethoxy-cinnamic acid 20329-98-0 C12H14O5
3,4,5-三甲氧基-N-(1,2,3,4-四氢-2-甲基异喹啉-5-基)苯甲酰胺 3,4,5-trimethoxy-<i>N</i>-(2-methyl-1,2,3,4-tetrahydro-isoquinolin-5-yl)-benzamide 27461-31-0 C20H24N2O4
3,4,5-三甲基肉桂酸甲酯 methyl 3,4,5-trimethoxycinnamate 20329-96-8 C13H16O5
3,4,5-三甲基庚烷 3,4,5-trimethyl-heptane 20278-89-1 C10H22
3,4,5-三甲基吡啶 3,4,5-trimethylpyridine 20579-43-5 C8H11N
3,4,5-三甲基吡咯-2-甲基乙酯 2-(ethoxycarbonyl)-3,4,5-trimethylpyrrole 2199-46-4 C10H15NO2
3,4,5-三甲基-4,5-二氢-1H-吡唑 3,4,5-Trimethyl-Δ<sup>2</sup>-pyrazolin 22591-95-3 C6H12N2
3,4,5-三甲基-1H-吡咯-2-羧醛 3,4,5-trimethyl-1H-pyrrole-2-carbaldehyde 27226-50-2 C8H11NO
3,4,5-三甲基-1,3-噻唑-2-硫酮 3,4,5-Trimethyl-Δ<sup>4</sup>-thiazolinthion-(2) 21364-38-5 C6H9NS2
3,4,5-三溴邻苯二酚 3,4,5-tribromocatechol 2747-17-3 C6H3Br3O2
3,4,5-三溴吡啶 3,4,5-tribromopyridine 2457-48-9 C5H2Br3N
3,4,5-三氯溴苯 5-bromo-1,2,3-trichlorobenzene 21928-51-8 C6H2BrCl3
3,4,5-三氯噻吩-2-羰基氯 3,4,5-Trichlorothien-2-carboxylic acid chloride 24422-15-9 C5Cl4OS
3,4,5-三氯噻吩-2-羧酸 3,4,5-trichlorothiophene-2-carboxylic acid 26020-48-4 C5HCl3O2S
3,4,5-三氯-2-吡啶羧酰胺 3,4,5-trichloro-pyridine-2-carboxylic acid amide 202192-84-5 C6H3Cl3N2O
3,4,5-三氯-2,6-二甲基吡啶 3,4,5-Trichloro-2,6-dimethylpyridine 28597-08-2 C7H6Cl3N