142998-19-4 7H-6a,12a-Methano-6H,12aH-naphtho[2',1':4,5]furo[3,4-c]pyran-7,11(12H)-dione,1,2,3,4,4a,4b-hexahydro-1-hydroxy-4,4a,10-trimethyl-, (1a,4a,4aa,4ba,6ab,10aR*,12ab)-(-)- 142998-39-8 2-Propenoicacid, 3-phenyl-,1-[2-[1-(acetyloxy)ethyl]-2-hydroxy-1-methyl-5-oxocyclopentyl]-2-(1,2,3,5,6,7,8,8a-octahydro-6-hydroxy-8a-methyl-2-oxo-1-naphthalenyl)ethylester, stereoisomer