2-methyl-4,5-diphenyl-1H-imidazole

2,2-dimethoxy-1-phenylethanone

1-hydroxy-2,2,6,6-tetramethylpiperidine

oxo-phenyl-acetic acid 2,2,6,6-tetramethyl-piperidin-1-yl

3-amino-5-phenylpyridazine-4-carbonitrile