InChI=1/C16H17N5O4/c17-16(23)19-9-11-5-7-12(8-6-11)20-15(22)10-18-13-3-1-2-4-14(13)21(24)25/h1-8,18H,9-10H2,(H,20,22)(H3,17,19,23)/f/h19-20H,17H2 6BDFC979E60745B5