1(2H)-Pyridineacetic acid, 3,6-dihydro-5-((methoxyimino)methyl)-, 1,1-dimethylethyl ester, monohydrochloride, (E)- 1,1-Dimethylethyl 3,6-dihydro-5-((methoxyimino)methyl)-1(2H)-pyridineacetate 139886-15-0