methylthio α-oxo-α-(5-chloro-2-benzothienyl)acetate

(5-Chloro-benzo[b]thiophen-2-yl)-[(Z)-methoxyimino]-thioacetic acid S-methyl ester

α-metoximino-α-(5-chloro-2-benzothienyl)acetic acid

(5-Chloro-benzo[b]thiophen-2-yl)-[(Z)-methoxyimino]-acetyl chloride

7-<α-methoxyimino-α-(5-chloro-2-benzothienyl)acetamido>-3-methyl-3-cephem-4-carboxylic acid