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    中文名称 英文名称 CAS号 化学式
    2-甲基-4-氧代-7-丙基-4,7-二氢噻吩并[2,3-b]吡啶-5-羧酸 2-methyl-4-oxo-7-propyl-4,7-dihydro-thieno[2,3-<i>b</i>]pyridine-5-carboxylic acid 55503-22-5 C12H13NO3S
    2-甲基-4-氧代-4H-吡喃-3-基异戊酸酯 2-Methyl-4-oxo-4H-pyran-3-yl isovalerate 94021-97-3 C11H14O4
    2-甲基-4-氧代-4H-吡喃-3-基丁酸酯 Maltyl butyrate 67860-01-9 C10H12O4
    2-甲基-4-氧代-4H-吡喃-3-基3-甲基-2-丁烯酸酯 2-Methyl-4-oxo-4H-pyran-3-yl 3-methyl-2-butenoate 93917-69-2 C11H12O4
    2-甲基-4-氧代-4H-吡喃-3-基2-甲基丁酸酯 2-Methyl-4-oxo-4H-pyran-3-yl 2-methylbutyrate 85665-78-7 C11H14O4
    2-甲基-4-氧代-4H-吡喃-3-基2-甲基-戊-2-烯-1-酸酯 (2-methyl-4-oxopyran-3-yl) 2-methylpent-2-enoate 94199-66-3 C12H14O4
    2-甲基-4-氧代-4H-吡啶并[1,2-a]嘧啶-9-羧酸乙酯 ethyl 2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-9-carboxylate 61316-29-8 C12H12N2O3
    2-甲基-4-氧代-4H-吡啶并[1,2-a]嘧啶-9-羧酸 2-methyl-4-oxo-4<i>H</i>-pyrido[1,2-<i>a</i>]pyrimidine-9-carboxylic acid 57073-56-0 C10H8N2O3
    2-甲基-4-氧代-4H-3,1-苯并恶嗪-6-羧酸 6-Carboxy-2-methyl-3,1-benzoxazin-4-on 67081-72-5 C10H7NO4
    2-甲基-4-氧代-4-(4-氟苯基)丁酸 4-(4-fluorophenyl)-2-methyl-4-oxobutanoic acid 68415-18-9 C11H11FO3
    2-甲基-4-氧代-4-(4-三氟甲基苯基)丁酸 2-methyl-4-oxo-4-(4-trifluoromethylphenyl)butanoic acid 75380-98-2 C12H11F3O3
    2-甲基-4-氧代-4-(3-氯苯基)丁酸 3-(3-Chlorbenzoyl)-2-methylpropionsaeure 34243-96-4 C11H11ClO3
    2-甲基-4-氧代-4-(3-氟苯基)丁酸 2-methyl-4-(3'-fluorophenyl)-4-oxo-butanoic acid 75380-94-8 C11H11FO3
    2-甲基-4-氧代-4,5,6,8-四氢吡啶并[3,4-D]嘧啶-7(3H)-羧酸叔丁酯 tert-butyl 4-hydroxy-2-methyl-5,6-dihydropyrido[3,4-d]pyrimidine-7(8H)-carboxylate 338739-89-2 C13H19N3O3
    2-甲基-4-氧代-3H-嘧啶-5-羧酸甲酯 methyl 2-methyl-4-oxo-3H-pyrimidine-5-carboxylate 865077-08-3 C7H8N2O3
    2-甲基-4-氧代-2H-1,2-苯并噻嗪-1,1-二氧化物 3,4-dihydro-2-methyl-3-oxo-2H-1,2-benzothiazine 1,1-dioxide 29209-01-6 C9H9NO3S
    2-甲基-4-氧代-2-环己烯-1-羧酸甲酯 methyl 2-methyl-4-oxocyclohex-2-enecarboxylate 35490-07-4 C9H12O3
    2-甲基-4-氧代-2-环己烯-1-羧酸 4-keto-2-methyl-2-cyclohexenecarboxylate 174642-99-0 C8H10O3
    2-甲基-4-氧代-2,3,4,5-四氢-1,5-苯并氧氮杂卓-7-羧酸 2-Methyl-4-oxo-2,3,4,5-tetrahydro-1,5-benzoxazepine-7-carboxylic acid 134076-69-0 C11H11NO4
    2-甲基-4-氧代-1,4-二氢喹啉-8-羧酸 4-Hydroxy-2-methylquinoline-8-carboxylic acid 384364-07-2 C11H9NO3
    2-甲基-4-氧代-1,4-二氢喹啉-3-羧酸甲酯 methyl 2-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate 132638-24-5 C12H11NO3
    2-甲基-4-氧代-1,4-二氢-喹啉-6-羧酸甲酯 methyl 2-methyl-4-oxo-1,4-dihydroquinoline-6-carboxylate 654051-82-8 C12H11NO3
    2-甲基-4-氧代-1,4-二氢-吡啶-3-羧酸 4-hydroxy-2-methylnicotinic acid 902171-52-2 C7H7NO3
    2-甲基-4-氧代-1,3-吡咯烷二羧酸 2-Methyl-4-oxopyrrolidine-1,3-dicarboxylic acid 875255-92-8 C7H9NO5
    2-甲基-4-氧代-1,3-二氢喹唑啉-2-羧酸 2-Methyl-1,2,3,4-tetrahydro-4-oxoquinazoline-2-carboxylic acid 129768-69-0 C10H10N2O3
    2-甲基-4-氧亚基-4H-吡啶并[1,2-A]嘧啶-3-羧酸 2-Methyl-4-oxo-4H-pyrido<1,2-a>pyrimidine-3-carboxylic acid 123419-91-0 C10H8N2O3
    2-甲基-4-氧-4-苯基丁酸 2-methyl-4-oxo-4-phenylbutanoic acid 1771-65-9 C11H12O3
    2-甲基-4-氧-4-[3-(三氟甲基)苯基]丁酸 3-(3-trifluoromethylbenzoyl)-2-methylpropionic acid 66549-17-5 C12H11F3O3
    2-甲基-4-氟吲哚 4-fluoro-2-methylindole 1260383-51-4 C9H8FN
    2-甲基-4-氟-5硝基苯腈 4-fluoro-2-methyl-5-nitro-benzonitrile 932375-18-3 C8H5FN2O2
    2-甲基-4-氟-5-甲氧基-1H-吲哚 2-methyl-4-fluoro-5-methoxy-1H-indole 288385-93-3 C10H10FNO
    2-甲基-4-氟-4-五氟乙基-6-全氟叔丁基-1,3,5-恶二嗪 2-methyl-4-fluoro-4-pentafluoroethyl-6-perfluoro-tert-butyl-1,3,5-oxadiazine 104823-40-7 C10H3F15N2O
    2-甲基-4-正丙基-1,3-氧硫杂环己烷 2-methyl-4-n-propyl-1,3-oxathiane 67715-80-4 C8H16OS
    2-甲基-4-戊醛 2-methyl-4-pentenal 5187-71-3 C6H10O
    2-甲基-4-戊酸 (+-)-2-methyl-pent-4-enoic acid 1575-74-2 C6H10O2
    2-甲基-4-戊烯醛 3-methyl-4-pentenal 1777-33-9 C6H10O
    2-甲基-4-戊烯酸己酯 Hexyl-2-methyl-4-pentenoat 58031-03-1 C12H22O2
    2-甲基-4-戊烯酸乙酯 ethyl 2-methyl-4-pentenoate 53399-81-8 C8H14O2
    2-甲基-4-戊烯-2-羧酸甲酯 2-Methyl-4-penten-2-yl-acetat 926-22-7 C8H14O2
    2-甲基-4-戊炔-2-醇 2-methylpent-4-yn-2-ol 590-37-4 C6H10O
    2-甲基-4-戊基喹啉 2-methyl-4-pentylquinoline 1058061-68-9 C15H19N
    2-甲基-4-戊-2-烯基-苯甲醚 2-methyl-4-pent-2-enyl-anisole 23562-71-2 C13H18O
    2-甲基-4-恶唑甲醇 4-hydroxymethyl-2-methyloxazole 141567-53-5 C5H7NO2
    2-甲基-4-恶唑甲酸乙酯 2-methyl-4-carbethoxy-1,3-oxazole 10200-43-8 C7H9NO3
    2-甲基-4-异氰酸硝基苯 1-isocyanato-2-methyl-4-nitrobenzene 56309-59-2 C8H6N2O3
    2-甲基-4-异噻唑啉-3-酮盐酸盐 2-methyl-4-isothiazolin-3-one hydrochloride 26172-54-3 C4H5NOS*ClH
    2-甲基-4-异噻唑啉-3-酮-D3 2-Methyl-3-isothiazolone-d3 Hydrochloride 1329509-49-0 C4H6ClNOS
    2-甲基-4-异吲哚啉胺 4-amino-2,3-dihydro-2-methyl-1H-isoindole 122993-59-3 C9H12N2
    2-甲基-4-异丙氧基吡啶氮氧化物 4-isopropyloxy-2-methylpyridine N-oxide 103922-05-0 C9H13NO2
    2-甲基-4-异丙基-2-环戊烯-1-酮 4-Isopropyl-2-methyl-cyclopent-2-en-1-on 61892-83-9 C9H14O