InChI=1/C13H19N3O4/c17-10(9-5-4-8-20-9)15-16-11(18)13(14-12(16)19)6-2-1-3-7-13/h9H,1-8H2,(H,14,19)(H,15,17)/t9-/m0/s1/f/h14-15H 00920C34CF367D6B