2,6-Phenanthrenediol, 8-ethenyl-1,2,3,4,4a,9,10,10a-octahydro-1,1,4a,7-tetramethyl-, (2R-(2alpha,4aalpha,10abeta))- 3alpha,12-Hydroxy-cleistanth-8,11,13,15-tetraene 72963-56-5 NSC 312885 Spruceanol