英文别名(R)-2-Hydroxyethyl 2-amino-2-(4-hydroxyphenyl)acetate; 2-Hydroxyethyl (R)-2-amino-2-(4-hydroxyphenyl)acetate; Cefprozil EP Impurity L; 2-Hydroxyethyl (2R)-amino(4-hydroxyphenyl)acetate; (R)-α-Amino-4-hydroxy-Benzeneacetic Acid 2-Hydroxyethyl Ester; Hydroxyethyl p-Hydroxyphenylglycinate 
