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