Similar names: Hydroxydiphenylacetic acid; Benzilic acid; Trospium Chloride Imp. A (EP), Trospium Chloride Related Compound A; Benzeneacetic acid, α-hydroxy-α-phenyl-; Benzilic acid (7CI,8CI); α-Hydroxy-α-phenylbenzeneacetic acid; 2,2-Diphenyl-2-hydroxyacetic acid; 2,2-Diphenyl-2-hydroxyethanoic acid; 2,2-Diphenylglycolic acid; 2-Hydroxy-2,2-diphenylacetic acid; Benzilate; Benzilates; Diphenylglycolic acid; Diphenylhydroxyacetic acid; NSC 2830; α,α-Diphenyl-α-hydroxyacetic acid; α,α-Diphenylglycolic acid; α-Hydroxy-2,2-diphenylacetic acid; α-Hydroxydiphenylacetic acid