| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 3,4-环氧丁酸甲酯 | methyl 3,4-epoxybutanoate | 4509-09-5 | C5H8O3 |
| 3,4-戊二烯酸,2-(三氟甲基)-,甲基酯 | 2-trifluoromethyl-3,4-pentadienoic acid methyl ester | 139547-11-8 | C7H7F3O2 |
| 3,4-戊二烯-1-醇,3-甲基-,乙酸酯 | 3-Methyl-3,4-pentadien-1-ylacetat | 106011-80-7 | C8H12O2 |
| 3,4-异恶唑二羧酸-2,5-甲基 | 5-methyl-isoxazole-3,4-dicarboxylic acid | 198135-45-4 | C6H5NO5 |
| 3,4-噻吩二羧酸酐 | 1H,3H-thieno[3,4-c]furan-1,3-dione | 6007-85-8 | C6H2O3S |
| 3,4-噻吩二羧酸,四氢-,二甲基酯,反- | trans-dimethyl tetrahydrothiophene-3,4-dicarboxylate | 105526-70-3 | C8H12O4S |
| 3,4-噁唑烷二羧酸,2-羰基-,3-(1,1-二甲基乙基)4-甲基酯,(4S)- | (S)-2-oxo-oxazolidine-3,4-dicarboxylic acid 3-tert-butyl ester 4-methyl ester | 184829-58-1 | C10H15NO6 |
| 3,4-哌啶二醇,5-(羟甲基)-,(3R,4S,5R)-rel- | but-2-enedioate;tributylstannanylium | —— | C28H56O4Sn2 |
| 3,4-吡咯烷二醇,2-[(6-氨基-9H-嘌呤-9-基)甲基]-5-(羟甲基)-,(2S,3S,4R,5R)- | 3-(p-fluorophenyl)-L-alanyl-3-<-m-bis-(2-chloroethyl)aminophenyl>-L-alanyl-L-methionine ethyl ester hydrochloride | 83996-50-3 | C29H39Cl2FN4O4S*ClH |
| 3,4-吡咯烷二醇,2-(4-氯苯基)-5-(羟甲基)-,(2S,3S,4R,5R)- | cis- and trans-3-ethynyl-3-hydroxy-1-methylcyclobutanecarboxylic acid | 286443-22-9 | C8H10O3 |
| 3,4-双乙酸基-1丁烯 | 1,2-diacetoxy-3-butene | 18085-02-4 | C8H12O4 |
| 3,4-双(羧甲基)己二酸 | 3,4-bis-carboxymethyl-adipic acid | 90927-67-6 | C10H14O8 |
| 3,4-二羧基-3-羟基二十烷酸钠 | 1,2,3-Nonadecanetricarboxylic acid, 2-hydroxy-, sodium salt | 78219-78-0 | C22H39NaO7 |
| 3,4-二羟基苯基甘氨酸 | DL-2-(3,4-Dihydroxyphenyl)glycin | 138-62-5 | C8H9NO4 |
| 3,4-二羟基苯基丝氨酸 | DL-erythro-3-(3,4-dihydroxyphenyl)-serine | 492-46-6 | C9H11NO5 |
| 3,4-二羟基-L-苯丙氨酸苄基酯 | L-3,4-dihydroxyphenylalanine benzyl ester | 55720-47-3 | C16H17NO4 |
| 3,4-二羟基-L-苯丙氨酸(9-甲氧基-(5,6)-苯并香豆素-1-基)甲酯 | 3,4-dihydroxy-L-phenylalanine (9-methoxy-(5,6)-benzocoumarin-1-yl)methyl ester | 1293992-25-2 | C24H21NO7 |
| 3,4-二甲氧基查耳酮 | 2-[1-adamantylcarbamoyl(3-methylbutyl)amino]-N-(4-methyl-1,3-thiazol-2-yl)acetamide | 6003-49-2 | C22H34N4O2S |
| 3,4-二甲氧基-N-[4-(3-硝基苯基)-1,3-噻唑-2-基]苯磺酰胺 | Glycylglycyl-L-argininal | 80434-79-3 | C10H20N6O3 |
| 3,4-二甲氧基-L-苯丙氨酸 | (S)-3,4-dimethoxyphenylalanine | 32161-30-1 | C11H15NO4 |
| 3,4-二甲基环己烷羧酸 | 3,4-dimethyl-cyclohexanecarboxylic acid | 681448-23-7 | C9H16O2 |
| 3,4-二甲基环己-3-烯-1-羧酸 | (+/-)-3,4-dimethylcyclohex-3-ene carboxylic acid | 23182-07-2 | C9H14O2 |
| 3,4-二甲基-N-苯甲酰-DL-谷氨酸酐 | 3,4-dimethyl-N-benzoyl-DL-glutamic anhydride | 102743-18-0 | C14H15NO4 |
| 3,4-二甲基-N-苯甲酰-DL-谷氨酸 | 3,4-dimethyl-N-benzoyl-DL-glutamic acid | 102743-17-9 | C14H17NO5 |
| 3,4-二甲基-N-(4-吗啉-4-基-6-丙基-1,3,5-三嗪-2-基)苯酰胺 | Locustatachykinin Ii Protein, Locusta Migratoria | 126985-98-6 | C50H76N14O12 |
| 3,4-二甲基-4-亚硝基-2-吡唑啉-5-酮 | 3,4-dimethyl-4-nitroso-2-pyrazolin-5-one | 103248-40-4 | C5H7N3O2 |
| 3,4-二甲基-4-亚硝基-1-苯基-2-吡唑啉-5-酮 | 3,4-dimethyl-4-nitroso-1-phenyl-2-pyrazolin-5-one | 103248-41-5 | C11H11N3O2 |
| 3,4-二甲基-1H-吡唑-5-羧酸乙酯 | 4,5-dimethyl-5<i>H</i>-pyrazole-3-carboxylic acid ethyl ester | 35313-50-9 | C8H12N2O2 |
| 3,4-二甲基-1-戊炔-3-基氨基甲酰基氨基甲酸酯 | allophanic acid-(1-isopropyl-1-methyl-prop-2-ynyl ester) | 109096-76-6 | C9H14N2O3 |
| 3,4-二溴-2,2-二氟-3-甲基亚丁基二乙酸酯 | 3,4-dibromo-2,2-difluoro-3-methylbutylidene diacetate | 106745-84-0 | C9H12Br2F2O4 |
| 3,4-二氯苯甘氨酸甲酯 | methyl α-amino-(3,4-dichlorobenzene) acetate | 185110-25-2 | C9H9Cl2NO2 |
| 3,4-二氯苯丙氨酸 | (S)-2-amino-3-(3,4-dichlorophenyl)propanoic acid | 52794-99-7 | C9H9Cl2NO2 |
| 3,4-二氯苯丙氨酸 | 2-amino-3-(3,4-dichlorophenyl)propionic acid | 5472-67-3 | C9H9Cl2NO2 |
| 3,4-二氯-β-羟基苯丙氨酸 | 2-Amino-3-(3,4-dichlorophenyl)-3-hydroxypropanoic acid | 64937-92-4 | C9H9Cl2NO3 |
| 3,4-二氯-N-(2,6-二氧代-四氢-吡喃-3-基)-苯甲酰胺 | 3,4-Dichloro-N-(2,6-dioxo-tetrahydro-pyran-3-yl)-benzamide | 104252-86-0 | C12H9Cl2NO4 |
| 3,4-二氯-L-苯丙氨酸甲酯盐酸盐 | methyl (S)-2-amino-3-(3,4-dichlorophenyl)propanoate hydrochloride | 173522-95-7 | C10H11Cl2NO2*ClH |
| 3,4-二氯-2,5-二氢-2,5-二氧代-1H-吡咯-1-乙酸 | (2,5-dioxo-3,4-dichloro-2,5-dihydro-1H-pyrrol-1-yl)acetic acid | 98130-71-3 | C6H3Cl2NO4 |
| 3,4-二氨基丁酸 | 3,4-diaminobutyric acid | 131530-16-0 | C4H10N2O2 |
| 3,4-二氨基-4-氧代丁酸 | isoasparagine | 498-25-9 | C4H8N2O3 |
| 3,4-二氢吡咯并[1,2-a]吡嗪-1(2H)-酮 | 3,4-dihydropyrrolo<1,2-a>pyrazin-1(2H)-one | 54906-42-2 | C7H8N2O |
| 3,4-二氢-N-(5-甲基-3-异恶唑基)-α-苯基-1(2H)-喹啉乙酰胺 | N-(5-methyl-1,2-oxazol-3-yl)-2-phenyl-2-(1,2,3,4-tetrahydroquinolin-1-yl)acetamide | 1031496-06-6 | C21H21N3O2 |
| 3,4-二氢-4-氧代-2H-1,2-苯并噻嗪-3-羧酸甲酯1,1-二氧化物 | 1,1,4-trioxo-1,2,3,4-tetrahydro-1λ<sup>6</sup>-benzo[<i>e</i>][1,2]thiazine-3-carboxylic acid methyl ester | 29209-29-8 | C10H9NO5S |
| 3,4-二氢-4-亚硝基-2(1H)-喹喔啉酮 | 1-nitroso-3-keto-1,2,3,4-tetrahydroquinoxaline | 53374-52-0 | C8H7N3O2 |
| 3,4-二氢-4,4-二甲基-7,8-苯并香豆素 | Sodium 2,5-dichloro-4-(4-((2-chlorophenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonate | 94133-87-6 | C16H10Cl3N4NaO4S |
| 3,4-二氢-3-氧代-1(2H)-喹喔啉甲醛 | 4-Formyl-1,2,3,4-tetrahydro-chinoxalinon-(2) | 36002-61-6 | C9H8N2O2 |
| 3,4-二氢-3,3-二甲基-(9ci)-2(1h)-喹噁啉酮 | 3,3-dimethyl-3,4-dihydroquinoxalin-2(1H)-one | 80636-30-2 | C10H12N2O |
| 3,4-二氢-2H-吡唑-3-羧酸苄基酯 | 3,4-dihydro-2H-pyrazole-3-carboxylic acid benzyl ester | 1027501-63-8 | C11H12N2O2 |
| 3,4-二氢-2H-吡咯并[1,2-a]吡嗪-1-酮 | 1,4-Diazabicyclo<4.3.0>nonan-5-on | 16620-61-4 | C7H12N2O |
| 3,4-二氢-2H-吡咯-2-羧酸 | Δ<sup>1</sup>-pyrroline-5-carboxylate | 2906-39-0 | C5H7NO2 |
| 3,4-二氢-2H-吡咯-2-甲酸乙酯 | 3,4-dihydro-2<i>H</i>-pyrrole-2-carboxylic acid ethyl ester | 98431-77-7 | C7H11NO2 |