4-methoxy-1-methyl-2-oxo-1,2-dihydro-pyridine-3-carbonitrile, 4-Methoxy-1-methyl-2-oxo-1,2-dihydro-pyridin-3-carbonitril, Ricinin, 3-Pyridinecarbonitrile, 1,2-dihydro-4-methoxy-1-methyl-2-oxo-, Ritsinin, Recinine, 4-methoxy-1-methyl-2-oxopyridine-3-carbonitrile, Ricidine, Recinine Ricidine Ricinin Ritsinin, RICININE