The molecule is a primary ammonium ion that is the conjugate acid of 3-amino-5-[(4-hydroxyphenyl)methyl]-4,4-dimethylpyrrolidin-2-one, obtained from the protonation of the primary amino group. Major species at pH 7.3. It is a conjugate acid of a 3-amino-5-[(4-hydroxyphenyl)methyl]-4,4-dimethylpyrrolidin-2-one.
[5-[(4-hydroxyphenyl)methyl]-4,4-dimethyl-2-oxopyrrolidin-3-yl]azanium