SEARCH Articles Figures Tables 2.6- Dicarbonylpyridine 2.6- Dicarbonylpyridine Macrocycles based on 2,6-dicarbonylpyridines and diamines containing two additional supporting donor atoms Macrocycles based on 2,6-dicarbonylpyridines, 2,5-diformylpyrrole and the simplest diamines Macrocycles derived from 2,6-dicarbonylpyridines