4-Pyridinecarboxamide, N-(5-((3-nitrophenyl)methylene)-4-oxo-2-thioxo-3-thiazolidinyl)- 68711-01-3 N-(5-((3-Nitrophenyl)methylene)-4-oxo-2-thioxo-3-thiazolidinyl)-4-pyridinecarboxamide