Amine as Substituent 。 On a molecule with a higher priority functional group,the amine is named as a substituent. NH-CH-CH-CHCOOH OH NHCHs y-aminobutyric acid or 4-aminobutanoic acid 2-methylaminophenol => Chapter 19 Chapter 19 7 Amine as Substituent • On a molecule with a higher priority functional group, the amine is named as a substituent. NH2 CH2 CH2 CH2 COOH NHCH3 OH -aminobutyric acid or 4-aminobutanoic acid 2-methylaminophenol =>