(4aS,7R,7aS)-2,2,7-trimethyl-6-oxotetrahydro-[1,3]dioxino[5,4-b]pyrrole-4a(4H)-carboxylic acid

methyl (4aS,7R,7aS)-hexahydro-2,2,7-trimethyl-6-oxo-[1,3]dioxino[5,4-b]pyrrole-4a-carboxylate

(4aR,7R,7aS,1'S)-tetrahydro-4a-(1'-hydroxy-2'-methylpropyl)-2,2,7-trimethyl[1,3]dioxino[5,4-b]pyrrol-6(4H)-one

(2R,4S,5R)-(-)-5-amino-4-isopropyl-2-phenyl[1,3]dioxane

(5R,6S,8R)-(-)-6-isopropyl-3-methyl-8-phenyl-7,9-dioxa-1-azaspiro[4.5]dec-3-ene