(1)Benzothiopyrano(3,4-d)imidazol-4(1H)-one, 1-butyl-2-((4-phenyl-1-piperazinyl)methyl)- 1-Butyl-2-((4-phenyl-1-piperazinyl)methyl)(1)benzothiopyrano(3,4-d)imidazol-4(1H)-one DL9829640