| http://www.w3.org/ns/prov#value | - A compound having the formula (I): or a pharmaceutically acceptable salt or prodrug thereof, wherein Q is a member selected from the group consisting of ???C(O)???, ???CH2CO???, ???CH2SO??? and ???CH2SO2???; L is a bond or (C1-C5)alkylene; A1, A2 and A3 are independently selected from the group consisting of C(R???)(R???) and C(O); A4 is C(R???)(R???) or N(R??????); each R??? and R??? is independe
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