InChI=1/C21H24N2O5/c1-26-21(25)15-7-9-16(10-8-15)23-20(24)13-22-17-4-2-5-18(12-17)28-14-19-6-3-11-27-19/h2,4-5,7-10,12,19,22H,3,6,11,13-14H2,1H3,(H,23,24)/t19-/m1/s1/f/h23H F70D15E8158502A2