InChI=1/C16H17N3O4/c1-10-14(11(2)23-18-10)15(20)17-13-5-3-4-12(8-13)9-19-6-7-22-16(19)21/h3-5,8H,6-7,9H2,1-2H3,(H,17,20)/f/h17H 1BFB76F448076F54