InChI=1/C15H15N3O3/c16-10-2-3-12(11(6-10)15(17)19)18-7-9-1-4-13-14(5-9)21-8-20-13/h1-6,18H,7-8,16H2,(H2,17,19)/f/h17H2 936A961052442B60