6',2-(2'-Arylchromonyl) propionic acids, and analgesic and anti-
6,7,8,9-Tetrahydro-4H-naphtho-[2,3-b]pyran-2-carboxylic acids
6,7-Disubstituted-2 or 2,2-substituted-5-substituted-1-indanones
6,7-Methylenedioxy-isochromane arthropodicide synergizing agents
6,8-Di-t-butyl-4-oxo-4H-1-benzopyran-2-carboxylic acid and deriv
6-Substituted pyranone compounds and their use as pharmaceutical