InChI=1/C20H23N3O5/c1-11-5-7-16(23(25)26)19(12(11)2)22-20(24)14(4)21-13(3)15-6-8-17-18(9-15)28-10-27-17/h5-9,13-14,21H,10H2,1-4H3,(H,22,24)/p+1/t13-,14+/m1/s1/fC20H24N3O5/h21-22H/q+1 29A5CA244C67B9BD