InChI=1S/C18H32O4/c1-2-3-10-13-16(19)17(20)14-11-8-6-4-5-7-9-12-15-18(21)22/h3,8,10-11,16-17,19-20H,2,4-7,9,12-15H2,1H3,(H,21,22)/b10-3-,11-8-