上游原料
1-Chloroacetone; Chloroacetoneethyl 2-bromo-2-methylpropanoate2,4-dinitrobenzenethiol; 2,4-dinitrophenylhydrosulfideethyl 2-[(2,4-dinitrophenyl)sulfanyl]-2-methylpropanoate6-amino-2,2-dimethyl-2H-1,4-benzothiazin-3(4H)-one2,2-dimethyl-6-nitro-2H-1,4-benzothiazin-3(4H)-one2,2-dimethyl-6-nitro-4-(2-oxopropyl)-2H-1,4-benzothiazin-3(4H)-one