Synonyms: Benzylpenicillin Potassium Imp. B (EP), Benzylpenicillin Procaine Imp. E (EP), Cyclopentolate Hydrochloride Imp. B (EP), Tropicamide Imp. D (EP),Benzylpenicillin Benzathine Imp. B (EP), Cyclopentolate Imp. B (EP), Tropicamide USP Related Compound D, Tropicamide USP RC D, Phenylacetic Acid, Benzeneacetic acid, Acetic acid, phenyl- (6CI,8CI), 2-Phenylacetic acid, NSC 125718, PAA, Phenylethanoic acid, alpha-Toluic acid, omega-Phenylacetic acid, BRL-2853, Benzylpenicillin Potassium Ph Eur Impurity B, BRL-955, USP Amoxicillin Related Compound A, Ph Eur Amoxicillin Impurity A, Penicinic acid (1), Penicinic acid (2), 8-Hydroxypenillic acid (8-HPA), Phenylacetic acid, Tropicamide Related Compound D, Benzylpenicillin Benzathine Impurity B, Benzylpenicillin Potassium Impurity B, Benzylpenicillin Procaine Impurity E, Carbenicillin Sodium Impurity B, Cyclopentolate Hydrochloride Impurity B, Tropicamide Impurity D, Carbenicillin Impurity B, Cyclopentolate Impurity B, Benzylpenicillin Impurity B