InChI=1S/C22H32O2/c1-6-7-8-9-17-13-20(23)22(21(14-17)24-5)19-12-16(4)10-11-18(19)15(2)3/h12-14,18-19,23H,2,6-11H2,1,3-5H3/t18-,19+/m0/s1