InChI=1/C15H17N3O4/c1-3-15(13(20)16-14(21)17-15)8-18-7-9-4-5-10(22-2)6-11(9)12(18)19/h4-6H,3,7-8H2,1-2H3,(H2,16,17,20,21)/t15-/m1/s1/f/h16-17H 65A71309DA22FE00