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    中文名称 英文名称 CAS号 化学式
    2-(1-乙氧基亚乙基)肼-1-羧酸乙酯 carbethoxyhydrazone d'acetate d'ethyle 51814-82-5 C7H14N2O3
    2-(1-乙氧基亚乙基)丙二腈 (1-ethoxyethylidene)malononitrile 5417-82-3 C7H8N2O
    2-(1-乙基戊基)-1,3-二氧戊环-4-甲醇 2-(1-ethylpentyl)-4-hydroxymethyl-1,3-dioxolane 5694-85-9 C11H22O3
    2-(1-乙基丙基)-5,5-二甲基-1,3-二恶烷 2-(1-ethylpropyl)-5,5-dimethyl-1,3-dioxane 59682-78-9 C11H22O2
    2-(1-乙基-丙氧基)-3-甲基-丁-2-烯 2-(1-ethyl-propoxy)-3-methyl-but-2-ene 56798-19-7 C10H20O
    2-(1-乙基-2-氧代环戊基)乙酸甲酯 Cyclopentaneacetic acid, 1-ethyl-2-oxo-, methyl ester 58928-65-7 C10H16O3
    2-(1-乙基-2-氧代环戊基)乙酸 2-(1-Ethyl-2-oxocyclopentyl)acetic acid 58928-86-2 C9H14O3
    2-(1-(4-甲基苯基)-3-(1-吡咯烷基)-1-丙烯基)吡啶盐酸盐 Pro-Actidil 550-70-9 C19H22N2*ClH
    2-(1,4-二氧杂螺[4.5]癸烷-8-亚基)乙酸乙酯 ethyl 1,4-dioxaspiro[4,5]dec-8-ylideneacetate 51656-91-8 C12H18O4
    2-(1,4-二叠氮烷-1-基)乙酮 2-(1,4-diazepan-1-yl)ethanol 53427-65-9 C7H16N2O
    2-(1,4,5,6-四氢-2-嘧啶)苯硫醇 2-(1,4,5,6-tetrahydropyrimidin-2-yl)benzenethiol 53440-32-7 C10H12N2S
    2-(1,3-苯并噻唑-2-基)乙酰胺 benzothiazolylacetamide 51542-41-7 C9H8N2OS
    2-(1,3-苯并噻唑-2-基)-2-丙醇 2-(benzo[d]thiazol-2-yl)propan-2-ol 50361-91-6 C10H11NOS
    2-(1,3-苯并二硫醇-2-亚基)-1-苯基丙烷-1-硫酮 2-(α-thiobenzoylethylidene)-1,3-benzodithiole 54400-53-2 C16H12S3
    2-(1,3-苯并二氧代l-5-基氧基)丙酰肼 2-(1,3-Benzodioxol-5-yloxy)propanohydrazide 588679-99-6 C10H12N2O4
    2-(1,3-苯并二氧代-5-基氧基)乙酰肼 (benzo[1,3]dioxol-5-yloxy)acetic acid hydrazide 588680-00-6 C9H10N2O4
    2-(1,3-噻唑烷-2-亚基)丙二腈 2-thiazolidinylidenemalononitrile 5718-93-4 C6H5N3S
    2-(1,3-噻唑-2-基)乙胺盐酸盐 2-(1,3-Thiazol-2-yl)ethanamine dihydrochloride 56933-57-4 C5H10Cl2N2S
    2-(1,3-二氧杂烷-2-基)吡啶 2-(1,3-dioxolan-2-yl)pyridine 5693-54-9 C8H9NO2
    2-(1,3-二氧戊环-2-基)-2-甲基丙-1-醇 2-(β-Hydroxyethyl)-1,3-dioxolane 5465-08-7 C5H10O3
    2-(1,3-二氧戊环-2-亚基)-3-戊酮 2-[1,3]dioxolan-2-ylidene-pentan-3-one 5418-50-8 C8H12O3
    2-(1,3-二氧合-2-酮-4-基)-1-乙基硼酸频哪醇酯 4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethyl)-1,3-dioxolan-2-one 501014-47-7 C11H19BO5
    2-(1,3-二氧代-1,3-二氢-2H-异吲哚-2-基)-4-甲基戊酸 N-phthaloyl-DL-leucine 5115-57-1 C14H15NO4
    2-(1,3-二氧代-1,3-二氢-2H-异吲哚-2-基)-3-(甲基硫代)丙酸 S-Methyl-N-phthaloyl-DL-cysteine 55582-20-2 C12H11NO4S
    2-(1,3-二噻戊环-2-亚基)环己酮 2-(1,3-Dithiolan-2-yliden)-cyclohexanon 50590-74-4 C9H12OS2
    2-(1,3,4-恶二唑-2-基)-1,3-苯并噻唑 2-[1,3,4]oxadiazol-2-yl-benzothiazole 55439-42-4 C9H5N3OS
    2-(1,3,4-噻二唑-2-基)-1,3-苯并噻唑 2-(1,3-Benzthiazol-2-yl)-1,3,4-thiadiazol 55439-49-1 C9H5N3S2
    2-(1,3,3-三甲基-2-亚甲基环己基)乙醛 2-(1,3,3-Trimethyl-2-methylenecyclohexyl)acetaldehyde 51417-30-2 C12H20O
    2-(1,3,3-三甲基-2-亚甲基环己基)乙酸甲酯 Methyl 2-(1,3,3-trimethyl-2-methylidenecyclohexyl)acetate 51417-31-3 C13H22O2
    2-(1,2-苯异噁唑-3-基)乙酸甲酯 1,2-benzisoxazol-3-ylacetic acid methyl ester 59899-89-7 C10H9NO3
    2-(1,2-苯并恶唑-3-基)-N'-羟基乙脒 (1,2-Benzoxazol-3-yl)-N-hydroxyethanimidamide--hydrogen chloride (1/1) 52237-22-6 C9H10ClN3O2
    2-(1,2-噻唑-5-基)-2-丙醇 2-isothiazol-5-yl-propan-2-ol 56615-19-1 C6H9NOS
    2-(1,2-二羟基乙基)哌啶 1-(Piperidin-2-yl)ethane-1,2-diol 5267-87-8 C7H15NO2
    2-(1,2-二羟基乙基)-6-苯氧基-四氢吡喃-3,4,5-三醇 Phenyl heptopyranoside 5329-55-5 C13H18O7
    2-(1,2-二氯-乙氧基)-丙烷 2-(1,2-dichloro-ethoxy)-propane 53531-50-3 C5H10Cl2O
    2-(1,2,3-噻二唑-4-基)-苯酚 2-(1,2,3-thiadiazol-4-yl)phenol 59834-06-9 C8H6N2OS
    2-(1,1-二甲基乙氧基)-5-甲基噻吩 2-(1,1-dimethylethoxy)-5-methylthiophene 54461-04-0 C9H14OS
    2-(1,1-二甲基乙基)-4-(1-甲基-1-苯基乙基)苯酚 2-t-butyl-4-(α,α-dimethylbenzyl)phenol 56187-92-9 C19H24O
    2-(1,1-二甲基乙基)-2H-四唑-5-胺 2-tert-butyl-2H-tetrazol-5-amine 59772-94-0 C5H11N5
    2-(1,1-二甲基乙基)-1H-吡咯 2-tert-butyl-1H-pyrrole 5398-58-3 C8H13N
    2-(1,1-二甲基-戊基)-4,5-二氢-噻唑 2-(1,1-dimethyl-pentyl)-4,5-dihydro-thiazole 55089-29-7 C10H19NS
    2-(1,1-二甲基-丁-2-炔基氨基)-乙醇 (2-Hydroxy-ethyl)-(1,1-dimethyl-but-2-inyl)-amin 5993-02-2 C8H15NO
    2-(1,1-二甲基-2-苯基-乙基)-4,5-二氢-噻唑 2-(1,1-dimethyl-2-phenyl-ethyl)-4,5-dihydro-thiazole 55089-28-6 C13H17NS
    2-(1,1-二氧代-四氢-1lambda*6*-噻吩-3-基-氨基)-乙醇 N-2-(1-hydroxy)ethyl-3-tetrahydrothiopheneamine-1,1-dioxide 58903-81-4 C6H13NO3S
    2-(1,1,2,3,3,3-六氟丙基)四氢呋喃 2-(1,1,2,3,3,3-hexafluoropropyl)tetrahydrofuran 53005-42-8 C7H8F6O
    2-(1,1,2,3,3,3-五氟丙氧基)苯酚 o-(1,1,2,3,3,3-hexafluoropropoxy)phenol 53998-00-8 C9H6F6O2
    2-(1,1'-联苯-4-氧基)丙酰肼 2-(1,1'-Biphenyl-4-yloxy)propanohydrazide 587852-93-5 C15H16N2O2
    2-((羟基(二甲基)-5-氮烷基)甲基)-4-(1,1,3,3-四甲基丁基)苯酚 1-[2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl]-N,N-dimethylmethanamine oxide 5414-47-1 C17H29NO2
    2-((甲基亚氨基)甲基)噻吩 N-[(thiophen-2-yl)methylene]methanamine 54433-71-5 C6H7NS
    2-((三甲基甲硅烷基)乙炔)吡啶-3-醇 2-((Trimethylsilyl)ethynyl)pyridin-3-ol 556832-92-9 C10H13NOSi