Assertion: pyridine's derivative | /r/HasProperty | 5-ethyl pyridine
Facets:
Source sentences:
text: The process for producing Z-vinyl, 5-ethyl pyridine from the crude reaction product mixture of the condensation of formaldehyde in an aqueous solution with Z-methyl, 5-ethyl pyridine, said mixture comprising the monomethylol and poly methylol derivatives of Z-methyl, 5-ethyl pyridine formed by said condensation, unreacted