(2R,5S,6R)-2-(2-Hydroxy-ethyl)-2,4,5-trimethyl-6-phenyl-morpholin-3-one

(5S,6R)-4,5-Dimethyl-2-methylene-6-phenyl-morpholin-3-one

(2S,5S,6R)-[(2,4,6-trimethyl-3-oxo-6-phenylmorpholin-2-yl)oxy]acetic acid

(3S,4R,2'S,5'S,6'R)-1,4-diphenyl-3-[(2',4',5'-trimethyl-3'-oxo-6'-phenylmorpholin-2'-yl)oxy]azetidin-2-one

(3S,4R,2'S,5'S,6'R)-1-(4-methoxyphenyl)-4-phenyl-3-[(2',4',5'-trimethyl-3'-oxo-6'-phenylmorpholin-2'-yl)oxy]azetidin-2-one