(3R,4R)-3-acetyl-4-phenyl-1-propan-2-ylazetidin-2-one

6-methyl-2-phenyl-3-propan-2-yl-2H-1,3-oxazin-4-one

2-benzylidene-3-oxo-N-propan-2-ylbutanamide

N-propan-2-ylbenzenecarbothioamide

ethyl 4-oxo-2,6-diphenyl-3-propan-2-yl-2H-1,3-thiazine-5-carboxylate