| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 3,4-二氢-2,4,6-三苯基-1,2,4,5-四嗪-1(2H)-基 | 1,3,5-triphenylverdazyl | 2154-65-6 | C20H17N4 |
| 3,4-二氢-1H-螺[环己烷-1,2-喹啉]-7-胺 | Spiro[3,4-dihydro-1H-quinoline-2,1'-cyclohexane]-7-amine | 201654-33-3 | C14H20N2 |
| 3,4-二氢-1H-[1,4]恶嗪并[4,3-a]苯并咪唑10-氧化物 | 3,4-dihydro-1<i>H</i>-benzo[4,5]imidazo[2,1-<i>c</i>][1,4]oxazine 10-oxide | 27386-34-1 | C10H10N2O2 |
| 3,4-二氢-1H-[1,4]恶嗪并[4,3-a]苯并咪唑-8-胺 | 3,4-dihydro-1<i>H</i>-benzo[4,5]imidazo[2,1-<i>c</i>][1,4]oxazin-8-ylamine | 27231-17-0 | C10H11N3O |
| 3,4-二氢-1H-2-苯并吡喃-1-乙酸 | (isochroman-1-yl)acetic acid | 22901-11-7 | C11H12O3 |
| 3,4-二氢-1,3,4-三甲基-2(1H)-嘧啶酮硫酸盐 | sulfuric acid; 1,3,4-trimethyl-4H-pyrimidin-2-one | 22946-41-4 | C7H14N2O5S |
| 3,4-二氢-1,2,5-噻二唑 | 3,4-dihydro-1,2,5-thiadiazole | 24692-44-2 | C2H4N2S |
| 3,4-二氢-1(2H)-喹啉硫代甲酰胺 | 3,4-dihydro-2H-quinoline-1-carbothioamide | 262853-30-5 | C10H12N2S |
| 3,4-二氟苯酚 | 3,4-difluorophenol | 2713-33-9 | C6H4F2O |
| 3,4-二氟苯乙醇 | 2-(3,4-difluorophenyl)ethanol | 286440-92-4 | C8H8F2O |
| 3,4-二氟苯乙酸甲酯 | methyl 2-(3,4-difluorophenyl)acetate | 210530-71-5 | C9H8F2O2 |
| 3,4-二氟苯丙酮 | 3,4-difluoropropiophenone | 23384-72-7 | C9H8F2O |
| 3,4-二氟苯-1-碳酰肼 | 3,4-difluorobenzohydrazide | 229957-07-7 | C7H6F2N2O |
| 3,4-二氟甲苯 | 3,4-difluorotoluene | 2927-34-6 | C7H6F2 |
| 3,4-二氟-5-三氟甲基苯甲酰胺 | 3,4-Difluoro-5-(trifluoromethyl)benzamide | 261944-88-1 | C8H4F5NO |
| 3,4-二氟-5-三氟甲基溴苯 | 5-bromo-1,2-difluoro-3-(trifluoromethyl)benzene | 240122-25-2 | C7H2BrF5 |
| 3,4-二氟-5-三氟甲基溴苄 | 5-(Bromomethyl)-1,2-difluoro-3-(trifluoromethyl)benzene | 239079-92-6 | C8H4BrF5 |
| 3,4-二氟-5-(三氟甲基)苯甲酸 | 3,4-difluoro-5-(trifluoromethyl)benzoic acid | 237761-76-1 | C8H3F5O2 |
| 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 |