InChI=1S/C16H19N5O3/c1-24-16(23)20-14-19-12-8-4-5-9-13(12)21(14)15(22)18-11-7-3-2-6-10-17/h4-5,8-9H,2-3,6-7,11H2,1H3,(H,18,22)(H,19,20,23)