InChI=1/C15H17N3O5/c1-15(2,14(21)22)18-11(12(13(19)20)16-17-18)8-9-4-6-10(23-3)7-5-9/h4-7H,8H2,1-3H3,(H,19,20)(H,21,22)/p-2/fC15H15N3O5/q-2 25602B75A33C5943