NAPHTHALENE,5-[2-[(1S,2S,4AR,7R,8S,8AS)- DECAHYDRO-2,4A,7,8-TETRAMETHYL-1- NAPHTHALENYL]ETHYL]DECAHYDRO-1,1,4A,6-TETRAMETHYL-,(4AR,5S,6S,8AS)-