Synonyms: 3,4-Secodammar-4(28)-en-3-oicacid, 20,24-epoxy-25-hydroxy-, (24S)-; 1H-Benz[e]indene-6-propanoic acid,dodecahydro-6,9a,9b-trimethyl-7-(1-methylethenyl)-3-[tetrahydro-5-(1-hydroxy-1-methylethyl)-2-methyl-2-furanyl]-,[3S-[3a(2R*,5R*),3aa,5ab,6b,7a,9aa,9bb]]-; Eichlerianic acid