(+-)-alpha-Amino-4-carboxy-3-hydroxybenzeneacetic acid 134052-66-7 4-Carboxy-3-hydroxyphenylglycine 4-Chpgly Benzeneacetic acid, alpha-amino-4-carboxy-3-hydroxy- Benzeneacetic acid, alpha-amino-4-carboxy-3-hydroxy-, (+-)- alpha-Amino-4-carboxy-3-hydroxybenzeneacetic acid