| abstract |
A compound having the formula (VIII): ** Formula ** 10 is -CO-R13 or -CO-O-R13, in which R11 is a substituted pyridine-2-ylamine, in which R12 is -CO- R13, -SO2-R13, and where R13 is a radical selecting from the group comprising alkyl, substituted alkyl, cycloalkyl, aryl, substituted aryl, heteroaryl, and substituted heteroaryl. |