InChI=1/C18H22N4O4/c1-19-14(23)10-11-2-4-13(5-3-11)20-15(24)12-6-8-18(9-7-12)16(25)21-17(26)22-18/h2-5,12H,6-10H2,1H3,(H,19,23)(H,20,24)(H2,21,22,25,26)/f/h19-22H 2ACDC60B0B1ECDBD