3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 88969-31-7 EINECS 289-457-7