meso-dimethyl 2,3-dihydroxy-2,3-diphenylsuccinate

methyl 2-phenyl-2,3-dihydroxy-3-methylpentanoate

ethyl 2-(4-chlorophenoxy)-2-methylbutanoate

5,6-dimethyl-2-oxo-4-phenyl-1H-pyridine-3-carbonitrile

1,1,3,3-tetrabromobutan-2-one