lophotoxin

(1R,2S,4S,10R,12R,14R,15R)-2-Acetyloxy-12-methyl-4-(1-methylethenyl)-17-oxo-11,16,18,19-tetraoxapentacyclo[12.2.2.16,9.01,15.010,12]nonadeca-6,8-diene-7-carbaldehyde