Synonyms: | related_synonym: | (1S,4aR,4bR,7R,10aR)-7-ethenyl-1,4a,7-trimethyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydrophenanthrene-1-carbaldehyde; Formula=C20H30O; InChI=1S/C20H30O/c1-5-18(2)12-9-16-15(13-18)7-8-17-19(3,14-21)10-6-11-20(16,17)4/h5,7,14,16-17H,1,6,8-13H2,2-4H3/t16-,17+,18-,19-,20-/m1/s1; InChIKey=NLLZQKHFTCHPED-USYVTKNRSA-N; SMILES=[H][C@@]12CC[C@](C)(CC1=CC[C@@]1([H])[C@](C)(CCC[C@]21C)C=O)C=C; syn-pimara-7,15-dien-19-al |