(Z)-5-(((1R,5S,6s)-3-(2,4-bis(trifluoromethyl)benzyl)-3-azabicyclo[3.1.0]hexan-6-yl)methylene)-4-(prop-2-yn-1-ylamino)thiazol-2(5H)-one

(Z)-5-((1-(2,4-bis(trifluoromethyl)phenyl)piperidin-4-yl)methylene)-4-(prop-2-yn-1-ylamino)thiazol-2(5H)-one

1-[2,4-bis(trifluoromethyl)benzyl]-5-{(Z)-[2-oxo-4-(prop-2-yn-1-ylamino)-1,3-thiazol-5(2H)-ylidene]methyl}azepan-2-one

(Z)-5-((3-(2,4-bis(trifluoromethyl)benzyl)-3-azabicyclo[3.3.1]nonan-7-yl)methylene)-4-(prop-2-yn-1-ylamino)thiazol-2(5H)-one

(Z)-5-((1-(1-(2,4-bis(trifluoromethyl)phenyl)ethyl)piperidin-4-yl)methylene)-4-(prop-2-yn-1-ylamino)thiazol-2(5H)-one