(1)Benzothiopyrano(3,4-d)imidazol-4(1H)-one, 2-((4-methyl-1-piperazinyl)methyl)-1-phenyl- 2-((4-Methyl-1-piperazinyl)methyl)-1-phenyl(1)benzothiopyrano(3,4-d)imidazol-4(1H)-one DL9829740