6 7 2 1 3 July 8, 2019 16 32 64 128 6 7 2 3 1 4 6 7 2 5 1 3 6 7 x 2 1 3 6 7 8 2 1 3 6 7 1 2 x 3 4 5 8 6 7 dimethoxy 1 2 3 4 tetrahydroisoquinoline 6 7 dimethyl 1 2 3 5 8 8a hexahydronaphthalene 6 7 9 1 2 3 0 7 2 1 6 3 2 6 7 x 3 1 4 6 2 5 x 7 1 3 6 7 x 1 2 ⋅ 14 3 2 1 6 7 30 6 1х 13 2 1 7 3 1 2 3 6 7 pattern