2-(4-nitrophenyl)-N-pyridin-3-ylpropanamide 2-(4-nitrophenyl)-N-(3-pyridyl)propanamide 2-(4-nitrophenyl)-N-(3-pyridyl)propionamide 2-(4-nitrophenyl)-N-pyridin-3-yl-propanamide 2-(4-nitrophenyl)-N-3-pyridinylpropanamide MLS000662368 SMR000292891