| http://www.w3.org/ns/prov#value | - R3 is straight or branched chain lower alkyl of 1 to 4 carbons, --(CH2)r --NH2, ##STR69## wherein m is zero, one, or two, R14 is hydrogen, methyl, methoxy, methylthio, Cl, Br, F, or hydroxy, and r is an integer from 1 to 4, especially benzyl or methyl.
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