| http://www.w3.org/ns/prov#value | - sisting of sulfonamide, lower alkyl substituted sulfonamide, dilower alkyl substituted sulfonamide, hydroxyethylsulfonamide, hydrogen, nitro, and chloro, and R is a member selected from the class consisting of hydrogen, acetylamino, and lower alkyl sulfonylarnino. 9.
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