InChI=1/C18H21N5O4/c19-15(24)14(16(20)25)22-17(26)10-6-7-11-12(9-10)21-13-5-3-1-2-4-8-23(13)18(11)27/h6-7,9,14H,1-5,8H2,(H2,19,24)(H2,20,25)(H,22,26)/f/h22H,19-20H2 A02454362D85668D