10-45-7

(3R,3aS,7R,8S,11S,15bS)-3,5b,6,8-tetrahydroxy-8,11,15b-trimethyl-17-oxodocosahydro-15a,3-(epoxymethano)-as-indaceno[3,2-h]pyrido[1,2-b]isoquinolin-7-yl (2Z)-2-methylbut-2-enoate