2-Propenoic acid,3-phenyl-,(3R,5S,5aS,6R,7S,9R,9aS)-7-(acetyloxy)octahydro-6-hydroxy-2,2,5a,9-tetramethyl-2H-3,9a-methano-1-benzoxepin-5-ylester, (2E)- [ 149992-92-7 ]