InChI=1/C15H15N3O3/c19-12-15(13(20)17-14(21)16-12)8-9-4-1-2-5-10(9)18-7-3-6-11(15)18/h1-2,4-5,11H,3,6-8H2,(H2,16,17,19,20,21)/t11-/m0/s1/f/h16-17H EF265883143D8AB3