InChI=1S/C17H22O6/c1-8-12(21-9(2)19)14-13(22-14)10-5-11(20)17(6-15(8,10)3)16(4,7-18)23-17/h5,8,12-14,18H,6-7H2,1-4H3/t8-,12+,13-,14+,15+,16+,17-/m0/s1