N-hydroxy-4-acetylaminobiphenyl => N-acetoxy-4-aminobiphenyl
n-hydroxy-4-acetylaminobiphenyl => n-acetoxy-4-aminobiphenyl
N-hydroxy-4-acetylaminobiphenyl => N-acetoxy-4-aminobiphenyl
n-hydroxy-4-acetylaminobiphenyl => n-acetoxy-4-aminobiphenyl