1h-indene 2 3 3a 4 7 7a-hexahydro-2 2 4 4 7 7-hexamethyl- July 8, 2019 16 32 64 128 2 3-dihydro-1h-indene 2h-2 4a-methanonaphthalen-8(5h)-one 1 3 4 6 7 8a-hexahydro-1 1 5 5-tetramethyl-
