InChI=1S/C22H30O4/c1-11-9-14-17(18(11)24)20-22(6,26-20)8-7-15-16(21(15,4)5)10-12(2)19(14)25-13(3)23/h9,12,15-17,20H,7-8,10H2,1-6H3/b19-14+/t12-,15+,16-,17+,20-,22+/m1/s1