InChI=1S/C23H34O4/c1-21(2)10-6-11-22(3)18(21)9-12-23(4,26)19(22)14-16-13-15(20(25)27-5)7-8-17(16)24/h7-8,13,18-19,24,26H,6,9-12,14H2,1-5H3/t18-,19+,22-,23+/m0/s1