166547-16-6

Olean-12-en-28-oicacid, 3-hydroxy-,4,4a,5,6,7,10-hexahydro-9-hydroxy-4-methyl-8-(1-methylethyl)-3,7,10-trioxo-3H-4,10b-propano-1H-naphtho[1,2-c]pyran-6-ylester, [3b,28(4S,4aR,6R,10bR)]-