InChI=1/C16H17N5O4/c17-16(23)20-12-7-5-11(6-8-12)19-15(22)9-10-18-13-3-1-2-4-14(13)21(24)25/h1-8,18H,9-10H2,(H,19,22)(H3,17,20,23)/f/h19-20H,17H2 85C124FF786E83EF