1(2H)-Pyridinecarboxylic acid, 3,6-dihydro-5-((2-propynyloxyimino)methyl)-, 4-chlorophenyl ester, (E)- 145071-45-0 4-Chlorophenyl (E)-3,6-dihydro-5-((2-propynyloxyimino)methyl)-1(2H)-pyridinecarboxylate