2-(3-Chloro-4-fluorophenylthio)acetic acid 2-[(3-Chloro-4-fluorophenyl)sulfanyl]acetic acid 2-[(3-Chloro-4-fluorophenyl)thio]acetic acid 3-Chloro-4-fluorophenylthioacetic acid Acetic acid, [(3-chloro-4-fluorophenyl)thio]- Acetic acid, 2-[(3-chloro-4-fluorophenyl)thio]-