InChI=1/C20H23NO6/c1-20(11-22,12-23)21-9-13(24)10-26-17-8-4-6-15-18(25)14-5-2-3-7-16(14)27-19(15)17/h2-8,13,21-24H,9-12H2,1H3/p+1/t13-/m1/s1/fC20H24NO6/h21H/q+1 E8EBFB7EFA0311AB