3-((4-Amino-6-bromo-1-hydroxy-8-imino-5-oxo-5,8-dihydronaphthalen-2-yl)amino)-N,N,N-trimethylbenzenaminium chloride 500g

3-((4-Amino-6-bromo-1-hydroxy-8-imino-5-oxo-5,8-dihydronaphthalen-2-yl)amino)-N,N,N-trimethylbenzenaminium chloride 500g