1H-Cyclopent(f)isoquinoline-5,6-diol, 2,3,4,7,8,9-hexahydro-3-methyl-, hydrobromide 3-Methyl-2,3,4,7,8,9-hexahydro-1H-cyclopent(f)isoquinoline-5,6-diol hydrobromide 57612-22-3 7,8-Dihydroxy-N-methyl-1,2,3,4-tetrahydro-cyclopentano(f)isoquinoline hydrobromide