(2'S,3'S,5S,6R)-3,4,5,6-tetrahydro-3-(3'-hydroxy-2'-methyl-3'-phenyl-propionyl)-4,5-dimethyl-6-phenyl-2H-1,3,4-oxadiazin-2-one

(2S,3S)-3-Hydroxy-2-methyl-1-((R)-3-methyl-1,1-dioxo-1,3-dihydro-1λ6-benzo[d]isothiazol-2-yl)-3-phenyl-propan-1-one

(1S,2S,4S)-1,4-dihydroxy-2,5,5-trimethyl-1-phenyl-3-hexanone

(2S,2'S,5'R)-3-((2S,3S)-3-((tert-butyldimethylsilyl)oxy)-2-methyl-3-phenylpropanoyl)-2'-isopropyl-5'-methylspiro[benzo[e][1,3]oxazine-2,1'-cyclohexan]-4(3H)-one

(2S,2'S,5'R)-3-((2S,3S)-3-hydroxy-2-methyl-3-phenylpropanoyl)-2'-isopropyl-5'-methylspiro[benzo[e][1,3]oxazine-2,1'-cyclohexan]-4(3H)-one