IMPPAT Phytochemical information: 
(1S,5R,6R,7S,11R,13S,17S,18S,19R)-5,17-dihydroxy-6,14,18-trimethyl-3,10-dioxapentacyclo[9.8.0.01,7.05,19.013,18]nonadec-14-ene-4,9,16-trione