英文名称
3-(benzenesulfonyl)-6-methoxy-4,4,8-trimethyl-2H-1,3-benzothiazine;6,8-dimethyl-3-(2-methylphenyl)-2,4-dihydro-1,3-benzothiazine;1-(4,4-dimethyl-6-nitro-8-phenyl-2H-1,3-benzothiazin-3-yl)ethanone;ethyl 4,4,8-trimethyl-3-triphenylsilyl-2H-1,3-benzothiazine-6-carboxylate