Synthesis of New Heteroaromatic Nitrogen Ligands: Pyrimido[4′′,5′′:4′,5′]thieno[3′,2′:4,5]thieno[3,2‐d]pyrimidines and 1,2,3‐Triazine[4′′,5′′:4′,5′]thieno[3′,2′:4,5]thieno [3,2‐d]‐1,2,3‐triazines. | Publicación