3-(4-chloro-benzoyl)-4-(4-chloro-benzoylimino)-3,4-dihydro-1H-benzo[d][1,2]oxazine

4-nitro-benzaldehyde (1H-benzo[d][1,2]oxazin-4-yl)-methyl-hydrazone

3-(4-chloro-benzoyl)-1H-benzo[d][1,2]oxazin-4-ylideneamine

4-imino-1,4-dihydro-benzo[d][1,2]oxazine-3-carboxylic acid anilide

α-acetylaminooxy-o-tolunitril