InChI=1/C18H17N3O4/c1-11-15(6-3-7-16(11)21(24)25)20-18(23)13-4-2-5-14(10-13)19-17(22)12-8-9-12/h2-7,10,12H,8-9H2,1H3,(H,19,22)(H,20,23)/f/h19-20H 02D71B93CC737C68