InChI=1S/C30H46O4.K/c1-25(2)21-8-11-30(7)23(28(21,5)10-9-22(25)32)20(31)16-18-19-17-27(4,24(33)34)13-12-26(19,3)14-15-29(18,30)6;/h16,19,21-23,32H,8-15,17H2,1-7H3,(H,33,34);/q;+1/p-1/t19-,21-,22-,23+,26+,27-,28-,29+,30+;/m0./s1