001752: InChI=1.12Beta/C18H18N4O4/c23-13(15(25)17-19-9-5-1-2-6-10(9)20-17)14(24)16(26)18-21-11-7-3-4-8-12(11)22-18/h1-8H,13-16H,23-26H,(H,19,20)(H,21,22)/t13-,14+,15-,16-/m0/s1