1-(2-Pyridylmethyleneamino)-3-(salicylideneamino)thiourea

1-(2-Pyridylmethylidene)-5-(salicylidene)thiocarbohydrazone

1-Salicylidene-5-(2-pyridylmethylene)isothiocarbonohydrazide

1-(2-pyridylmethylidene)-5-(salicylidene)thiocarbonylhydrazone

1-[(2-Hydroxyphenyl)methylene]-5-[(pyridin-2-yl)methylene]thiocarbonohydrazide