英文名称: | ethyl 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxylate 1,1-dioxide | ethyl 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3- carboxylate 1,1-dioxide | Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate | 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide |
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