tetrahydro,pyran,carboxylic,2h-pyran,2h-pyran-4-carboxylic,tetrahydro-2h-pyran
2H-pyran
102694-24-63a,15-dihydroxy-12-methoxy-10,14a,16a-trimethyl-1-(2-oxo-2H-pyran-5-yl)hexadecahydro-10H-8,12-methanocyclopenta[7,8]oxireno[8a,9]phenanthro[2,3-d][1,3,6]trioxonine-16,17(1H)-dione