007823: InChI=1.12Beta/C17H17N3O4/c1-3-20(4-2)9-5-6-11-13(7-9)24-16-14(19-11)10(17(18)23)8-12(21)15(16)22/h1-2H3,3-4H2,5-8H,(H3-,18,19,21,22,23)/p+1