... Volume: Page: Digital Object Identifier (DOI). ... Inorganic ... 1, 2, 3. chem formula, C 39 H 35 Ni 2 N 9 O 11, C 40 H 36 Co 2 N 8 O 10, C 40 H 36 Cu 2 N 8 O 10. formula wt, 923.18, 906.63, 915.85. cryst syst, monoclinic, monoclinic, monoclinic. ...