73573-17-8 9H-Benzo(a)xanthen-9-one, 1,2,3,4,4a,5,6,6a,12a,12b-decahydro-10-hydroxy-4,4,6a,12b-tetramethyl-, (4aalpha,6aalpha,12aalpha,12bbeta)-(+)- NSC 292446 Puupehenone