InChI=1/C14H13N3O3/c15-5-9-10(16)4-13-8(14(9)17)3-7-11(19)1-6(18)2-12(7)20-13/h1-2,8,13,16,18-19H,3-4,17H2/t8-,13+/m0/s1 21A7539A1103C9A0