Patent ID: 6974806

Claim:
A compound selected from the group consisting of: (2E)-3-[3-[7-chloro-3-(2-[[4-chloro-2-(trifluoromethyl)phenyl]amino]-2-oxoethyl)-6-methyl-2-oxo-2H-chromen-4-yl]phenyl]propenoic acid; (2E)-3-[3-[7-chloro-3-(2-[4-fluoro-2-(trifluoromethyl)phenyl]amino]-2-oxoethyl)-6-methyl-2-oxo-2H-chromen-4-yl]phenyl]propenoic acid; and 3-[3-[7-chloro-3-(2-[[4-chloro-2-(trifluorornethyl)phenyl]amino]-2-oxoethyl)-6-methyl-2-oxo-2H-chromen-4-yl]phenyl]propanoic acid, or a salt thereof.