所有产品
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7-氨基-3-无-3-头孢环-4-羧酸(中间体)英文名:7-Amino-3-nor-3-cephem-4-carboxylic acid CAS NO:36923-17-8
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2-氨基噻唑-4-甲酸乙酯(中间体)英文名:Ethyl 2-Aminothiazole-4-Carboxylate CAS NO:5398-36-7
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2-氨基噻唑-4-甲酸甲脂(中间体)英文名:2-Amino-thiazole-4-carboxylic acid methyl ester CAS NO:118452-04-3
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英文名:Ethyl 2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetate CAS NO:64485-82-1
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甲酰基亚甲基三苯基膦(中间体)英文名:(triphenylphosphoranylidene)acetaldehyde CAS NO:2136-75-6
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