InChI=1/C21H23NO6/c1-4-15-9-17(13(3)23)18(24)10-19(15)28-11-14-6-5-7-16(8-14)20(25)22-12(2)21(26)27/h5-10,12,24H,4,11H2,1-3H3,(H,22,25)(H,26,27)/p-1/t12-/m1/s1/fC21H22NO6/h22H/q-1 80B6FF5A4405702A