4-((Methylamino)methyl)-2,3,4,9-tetrahydrothiopyrano(2,3-b)indole 1,1-dioxide 4-(N-Methylaminomethyl)-1,1-dioxo-2,3,4,9-tetrahydrothiopyrano(2,3-b)indole 73424-89-2 BRN 0549863 N-Methyl-2,3,4,9-tetrahydrothiopyrano(2,3-b)indole-4-methylamine 1,1-dioxide Thiopyrano(2,3-b)indole, 2,3,4,9-tetrahydro-4-((methylamino)methyl)-, 1,1-dioxide Thiopyrano(2,3-b)indole-4-methylamine, 2,3,4,9-tetrahydro-N-methyl-, 1,1-dioxide