InChI=1/C14H19N3O4/c18-11-5-6-12(13(9-11)17(20)21)16-14(19)7-4-10-3-1-2-8-15-10/h5-6,9-10,15,18H,1-4,7-8H2,(H,16,19)/p+1/t10-/m0/s1/fC14H20N3O4/h15-16H/q+1 BEDF68CDDEA74418