133306-22-6 4H-Imidazo(4,5-c)quinolin-4-one, 1,2,3,5-tetrahydro-5-butyl-1-methyl-2-thioxo- 5-Butyl-2-mercapto-1-methyl-1H-imidazo(4,5-c)quinolin-4(5H)-one BRN 5821143