InChI=1/C16H21N5O5/c1-17-15(23)12-6-8-20(9-7-12)10-14(22)18-19-16(24)11-2-4-13(5-3-11)21(25)26/h2-5,12H,6-10H2,1H3,(H,17,23)(H,18,22)(H,19,24)/f/h17-19H 904FA1466C0639E1