Patent ID: 6869961

Claim:
A compound having the formula wherein: R 1 is a member selected from the group consisting of optionally substituted alkyl, optionally substituted alkoxy, optionally substituted alkylene having at least 2 sites of unsaturation, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroarylalkyl, optionally substituted heteroarylthioalkyl, optionally substituted heteroaryliminooxyalkyl, optionally substituted heterocyclyl, optionally substituted oximinoaryl and optionally substituted heteroarylalkoxy; R 2 is independently a member selected from the group consisting of optionally substituted (C 1 -C 6 )alkyl, optionally substituted (C 1 -C 6 )alkoxy, acyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroarylalkyl, and optionally substituted heteroarylalkoxy; R 8 is a member selected from the group consisting of an optionally substituted alkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroarylalkyl, and optionally substituted heteroarylalkoxy; R 9 is a member selected from the group consisting of an optionally substituted alkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroarylalkyl, and optionally substituted heteroarylalkoxy, or alternatively, R 8 and R 9 and the carbons to which they are attached, joined to form an optionally substituted aryl or optionally substituted heteroalkyl 5- or 6 membered ring.