1(2H)-Pyridinecarboxylic acid, 3,6-dihydro-5-((methoxyimino)methyl)-, ethyl ester 121750-59-2 Ethyl 3,6-dihydro-5-((methoxyimino)methyl)-1(2H)-pyridinecarboxylate Methyl ether of 1-ethoxycarbonyl-1,2,5,6-tetrahydropyridin-3-carboxaldehyde oxime