α-Apoallobetulin

(18α)-19β,28-Epoxy-A-neoolean-3(5)-ene

3-Isopropyl-5aα,5bβ,10,10,13bα-pentamethyl-11α,7aα-(epoxymethano)-2,4,5,5a,5b,6,7,7a,8,9,10,11,11aβ,11bα,12,13,13aβ,13b-octadecahydro-1H-cyclopenta[a]chrysene