InChI=1/C17H21N5O4/c18-10-15-2-1-9-21(15)17(24)12-19-8-7-16(23)20-11-13-3-5-14(6-4-13)22(25)26/h3-6,15,19H,1-2,7-9,11-12H2,(H,20,23)/t15-/m0/s1/f/h20H 04A9C7A627B893E9