InChI=1S/C18H23NO6/c1-23-11-8-12(21)17(14(11)22)4-5-18-15(25-3)13(24-2)10(20)9-16(17,18)6-7-19-18/h8,14,19,22H,4-7,9H2,1-3H3/t14-,16+,17+,18-/m1/s1