1-(12-hydroxypodocarpa-8,11,13-trien-14-yl)ethanone InChI=1/C19H26O2/c1-12(20)15-10-13(21)11-16-14(15)6-7-17-18(2,3)8-5-9-19(16,17)4/h10-11,17,21H,5-9H2,1-4H ethanone, 1-(4b,5,6,7,8,8a,9,10-octahydro-3-hydroxy-4b,8,8-trimethyl-1-phenanthrenyl)-