(4aS,6aS,7aS,8aS,9aR,9bS)-9a-bromo-7a-(2-hydroxypropan-2-yl)-4,4,9b-trimethyldodecahydrophenanthro[2,3-b]oxiren-9(1H)-one

12β,13β-epoxy-15-hydroxy-8-abieten-11-one

11,11-ethylenedioxy-9βH,13αH-abietan-12-one