4-[[4-(4-chlorophenoxy)phenyl]sulfonylmethyl]-N-hydroxyoxane-4-carboxamide 4-[[4-(4-chlorophenoxy)phenyl]sulfonylmethyl]tetrahydropyran-4-carbohydroxamic acid 4-[[4-(4-chlorophenoxy)phenyl]sulfonylmethyl]-4-tetrahydropyrancarbohydroxamic acid 4-[[4-(4-chlorophenoxy)phenyl]sulfonylmethyl]-N-hydroxy-oxane-4-carboxamide RS1 4-[4-(4-CHLORO-PHENOXY)-BENZENESULFONYLMETHYL]-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HYDROXYAMIDE