(S)-(-)-2-Hydroxy-1,2,2-triphenylethyl acetate95061-51-132 % similar Alpha-Cyclopentylmandelic acid427-49-632 % similar Homatropine methobromide80-49-932 % similar (+-)-Cyclohexylphenylglycolic acid4335-77-732 % similar Atropine methyl bromide2870-71-531 % similar Oxybutynin5633-20-531 % similar