6 methyl 1 3 8 trihydroxyanthraquinone July 8, 2019 16 32 64 128 6-methyl-1 2 3 4-tetrahydroquinoline 2 3-dihydro-3 5-dihydroxy-6-methyl-4h-pyran-4-one 2-methyl-1 2 3 4-tetrahydroisoquinoline-4 6-diol
