2-N,6-N-bis(2-hydroxyphenyl)pyridine-2,6-dicarboxamide

2-N,6-N-bis(6-methylpyridin-2-yl)pyridine-2,6-dicarboxamide

2-N,6-N-dimethylpyridine-2,6-dicarboxamide

2-N,2-N,6-N,6-N-tetramethylpyridine-2,6-dicarboxamide

1,5,13,17,22-PENTAAZATRICYCLO[15.2.2.17,11]DOCOSA-7,9,11(22)-TRIENE-6,12-DIONE