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