Crystal structures of methyl 3-phenyl-4,5-dihydro-1<i>H</i>,3<i>H</i>-benzo[4,5]imidazo[2,1-<i>c</i>][1,4]oxazepine-4-carboxylate and methyl 1-methyl-3-phenyl-4,5-dihydro-1<i>H</i>,3<i>H</i>-benzo[4,5]imidazo[2,1-<i>c</i>][1,4]oxazepine-4-carboxylate
Acta crystallographica. Section E