InChI=1/C12H15N3O4/c16-12(13-8-9-4-3-7-19-9)14-10-5-1-2-6-11(10)15(17)18/h1-2,5-6,9H,3-4,7-8H2,(H2,13,14,16)/t9-/m0/s1/f/h13-14H 1431BF2B88AFAD9A