#$%^&*AU2018208695A120180809.pdf#####Abstract 0 (R1 )n R4 A compound of formula (I) R2 () wherein X is 0, C=O or S； Y is N or CH； R 2 and R4 are each independently H, -(CH 2)pCOOH, -(CH 2)pCON(R) 2 or -(CH 2)pCOOCI-6alkyl； or R2 and R4 together form a 6-membered phenyl ring fused to the five membered ring； each R1 is independently selected from H, halo (e.g. fluoro or chloro), C6-ioaryl, C7-12arylalkyl, C2-12 alkenyl； OCI- 12 alkyl, OC 2-12 alkenyl or a CI- 12 alkyl group； each R5 is H or C1- 6 alkyl； each p is 0 to 3； n is 1 to 4； or a salt, ester, solvate, N-oxide, or prodrug thereof, e.g. a salt thereof.
