InChI=1/C18H20N4O4/c1-12(14-7-6-10-16(11-14)22(25)26)19-17(23)13(2)20-18(24)21-15-8-4-3-5-9-15/h3-13H,1-2H3,(H,19,23)(H2,20,21,24)/t12-,13+/m1/s1/f/h19-21H	ECFA9F77EA929C56