InChI=1S/C22H28O6/c1-13-17(28-14(2)23)11-22-12-27-20(25)16(22)5-4-6-18(22)21(13,3)9-7-15-8-10-26-19(15)24/h5,8,13,17-18H,4,6-7,9-12H2,1-3H3/t13-,17-,18-,21+,22-/m1/s1