上游原料
2-Oxoacetic acid; Glyoxylic Acid1-bromo-3-(bromomethyl)benzene3,5-dichloroaniline2-amino-4,6-dichlorobenzenesulfonyl chloride(3-bromophenyl)methanamine; 3-bromobenzylamine2-amino-N-(3-bromobenzyl)-4,6-dichlorobenzenesulfonamideethyl 2-(3-bromobenzyl)-6,8-dichloro-1,1-dioxo-1,2,3,4-tetrahydro-1lambda(6),2,4-benzothiadiazine-3-carboxylate2-amino-4,6-dichlorobenzenesulfonamideethyl 6,8-dichloro-1,1-dioxo-1,2,3,4-tetrahydro-1lambda(6),2,4-benzothiadiazine-3-carboxylate