IUPAC: (1R,3aS,4S,7S,9aR,9bR,11aR)-4,7-dihydroxy-3a,6,6,11a-tetramethyl-1-[(2R)-6-methyl-4-oxohept-5-en-2-yl]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-9b-carbaldehyde

SMILES: [#6]-[#6@H](-[#6]-[#6](=O)\[#6]=[#6](\[#6])-[#6])-[#6@H]1-[#6]-[#6][C@@]2([#6])[#6]3-[#6@@H](-[#8])-[#6]=[#6]4-[#6@@H](-[#6]-[#6]-[#6@H](-[#8])C4([#6])[#6])[C@@]3([#6]-[#6][C@]12[#6])[#6]=O |c:17|