(4R,5S)-4-(azidomethyl)-5-((Z)-5-chloropent-1-en-1-yl)-2,2-dimethyl-1,3-dioxolane

(1R,6R,7S,7aS)-1-[3-[(4-methoxyphenyl)methoxy]propyl]-tetrahydro-6,7-dihydroxy-1H,3H-pyrrolo[1,2-c]oxazol-3-one

(2R,3S,4R)-2-[(1R)-1-hydroxy-4-[(4-methoxyphenyl)methoxy]butyl]-3,4-bis(phenylmethoxy)pyrrolidine

(1R,6R,7S,7aR)-tetrahydro-1-[3-[(4-methoxyphenyl)methoxy]propyl]-6,7-bis(phenylmethoxy)-1H,3H-pyrrolo[1,2-c]oxazol-3-one