4,5-dimethyl-3-(3-methylbutyl)-2H-1,3-oxazine-2,6(3H)-dione 、
N-butyl-3-azaisatoic anhydride 生成 3-(1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-5,6-dimethyl-1-(3-methylbutyl)-2(1H)-pyridinone 、
1-butyl-3-(1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-1,8-naphthyridin-2(1H)-one