2-(Dimethylamino)ethyl 3-pyridinecarboxylate dimaleate 2-(Dimethylamino)ethyl nicotinate dimaleate 3-Pyridinecarboxylic acid, 2-(dimethylamino)ethyl ester, dimaleate 57272-33-0 NICOTINIC ACID, 2-(N,N-DIMETHYLAMINO)ETHYL ESTER, DIMALEATE