2(3h)-naphthalenone 4 4a 5 6 7 8-hexahydro-1-methoxy- July 8, 2019 16 32 64 128 2h-2 4a-methanonaphthalen-8(5h)-one 1 3 4 6 7 8a-hexahydro-1 1 5 5-tetramethyl- 4a(2h)-naphthalenol 1 3 4 5 6 8a-hexahydro-4 7-dimethyl-1-(1-methylethyl)- (1s 4r 4as 8ar)- 4a-methyl-4 4a 5 6 7 8-hexahydronaphthalen-2(3h)-one