InChI=1S/C24H28O5/c1-16-5-4-6-17(2)13-14-24(3,23(26)27)21(11-7-16)28-19-10-8-18-9-12-22(25)29-20(18)15-19/h5,8-10,12,15,21H,2,4,6-7,11,13-14H2,1,3H3,(H,26,27)/b16-5-