InChI=1/C21H30N2O5/c1-15-9-11-17(12-10-15)27-13-5-8-20(25)28-14-19(24)23-21(26)22-18-7-4-3-6-16(18)2/h9-12,16,18H,3-8,13-14H2,1-2H3,(H2,22,23,24,26)/t16-,18-/m1/s1/f/h22-23H 31C3388F64CAA476