3,6,9,12,15,18,21-Heptaoxa-27-azabicyclo(21.3.1)heptacosa-1(27),23,25-triene-2,22-dithione

2-O,6-O-dimethyl pyridine-2,6-dicarbothioate

2,6-吡啶二甲腈

吡啶-2,6-二甲酰胺

pyridine-2,6-dicarboximidic acid dimethyl ester