(R)-methyl 2-(dimethylamino)-5-(1-(4-methylphenylsulfonamido)-3-phenylpropyl)thiophene-3-carboxylate

(R)-methyl 5-(1-(4-methylphenylsulfonamido)heptyl)-2-morpholinothiophene-3-carboxylate

(R)-N-(1-(4-cyano-5-(dimethylamino)thiophen-2-yl)heptyl)-4-methylbenzenesulfonamide

(R)-N-(1-(5-(dimethylamino)-4-(2,4-dinitrophenyl)thiophen-2-yl)heptyl)-4-methylbenzenesulfonamide

(R)-2-(dimethylamino)-N-methoxy-N-methyl-5-(1-(4-methylphenylsulfonamido)heptyl)thiophene-3-carboxamide