InChI=1S/C22H28O6/c1-20-5-3-13(25)8-16(20)12(10-23)7-14-15-4-6-22(28,18(27)11-24)21(15,2)9-17(26)19(14)20/h3,5,8,12,14-15,19,23-24,28H,4,6-7,9-11H2,1-2H3/t12-,14+,15+,19-,20+,21+,22+/m1/s1