2h-pyran-5-carboxylic

2H-Pyran-5-carboxylic acid,3-[2,2-difluoro-1-(trifluoromethyl)ethenyl]-2,2,4-trifluoro-6-methyl-, ethylester

2H-Pyran-5-carboxylic acid, 4-(4-methoxyphenyl)-2-oxo-,2-phenylhydrazide

(2S,3E,4S)-4-{2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl}-3-ethylidene-2-(beta-D-glucopyranosyloxy)-3,4-dihydro-2H-pyran-5-carboxylic acid