InChI=1S/C18H24O5/c1-10(3-6-16(20)21)11-7-8-18(2)13(11)9-12-15(23-18)5-4-14(19)17(12)22/h7,10,13-14,19H,3-6,8-9H2,1-2H3,(H,20,21)/t10?,13-,14+,18+/m1/s1