(1S)-4,5-Dihydro-1-phenyl-1,4-epoxy-1H,3H-(1,4)oxazepino(4,3-a)benzimidazole 1,4-Epoxy-1H,3H-(1,4)oxazepino(4,3-a)benzimidazole, 4,5-dihydro-1-phenyl-, (1S)- 76155-31-2