(+)-Baclofen (L)-Baclofen (S)-4-Amino-3-(4-chlorophenyl)butanoic acid (S)-Baclofen 66514-99-6 Benzenepropanoic acid, beta-(aminomethyl)-4-chloro-, (betaS)- L-(+)-Baclofen S(+)-Baclofen d-Baclofen