| http://www.w3.org/ns/prov#value | - The prodrug derivative compound of claim 1 wherein the acylated portion of the acylated basic radical has the formula: where R is C1 -C8 alkyl, C2 -C8 alkenyl, aryl, C7 -C12 substituted aryl, and C7 -C12 arylalkyl; and X is a bond, C, O, S, or N.
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