2,4,6-triphenyl-1,3-dihydro-1,2,4,5-tetrazine

1,2-bis(difluoromethylsilyl)-1,2-diphenylhydrazine

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

N-(2,2-dimethylpropyl)aniline

1-anilino-1,3-diphenylthiourea