dimethyl 2,5,6-triphenylpyridine-3,4-dicarboxylate

6-(4-chlorophenyl)-3,4-diphenylpyran-2-one

6-(4-methoxyphenyl)-3,4-diphenylpyran-2-one

bis(triphenylphosphine)carbonylrhodium(I) chloride

carbon monoxide