InChI=1/C20H26O4/c1-6-11(2)19(22)24-18-17-12(3)10-23-16(17)9-14-15(21)8-7-13(4)20(14,18)5/h6,10,13-14,18H,7-9H2,1-5H3/b11-6-/t13-,14-,18-,20+/m0/s1 E4C9AEC73E17AD7A