InChI=1S/C18H30O5/c1-12-10-15(19)11-13(2)16(22-5)6-8-18(4,21)9-7-17(20)23-14(12)3/h6,8,11-12,14-16,19,21H,7,9-10H2,1-5H3/b8-6+,13-11+/t12-,14+,15+,16-,18+/m0/s1