InChI=1/C13H15N3O4/c17-12-13(18,15-6-2-1-3-7-15)10-8-9(16(19)20)4-5-11(10)14-12/h4-5,8,18H,1-3,6-7H2,(H,14,17)/t13-/m0/s1/f/h14H 8A53E1DB3C362043