Electrochemical Synthesis of Cobalt Complexes with 4‐Methyl‐ N ‐(2‐pyridylmethyl)benzenesulfonamide (HL) − Crystal Structures of HL, [Co II L 2 ] and [Co III L 2 L o ] [L o = HNC(CH 3 ) 2 C(CN)] | Publicación