InChI=1/C21H28N2O5/c1-21(2,14-22-20(27)16-6-4-3-5-7-16)23-11-19(26)13-28-12-15-8-17(24)10-18(25)9-15/h3-10,19,23-26H,11-14H2,1-2H3,(H,22,27)/p+1/t19-/m1/s1/fC21H29N2O5/h22-23H/q+1 34FA6CA42D381B1C