62820-13-7 (1aR,2E,4aR,6S,7aR,8E,11aS)-1a,4a,5,6,7a,10,11,11a-Octahydro-4a-hydroxy-1,1,3,6,9-pentamethyl-1H-cyclopenta[a]cyclopropa[f]cycloundecene-4,7-dione 62820-14-8 (1aR,2E,4aR,6S,7S,7aS,8E,11aS)-4a-Acetoxy-1,1a,4a,5,6,7,7a,10,11,11a-decahydro-7-hydroxy-1,1,3,6,9-pentamethyl-4H-cyclopenta[a]cyclopropa[f]cycloundecen-4-one