for the following products
Carbamic acid,N-[(3aS,4R,6S,6aR)-tetrahydro-6-hydroxy-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]-,phenylmethyl ester and N-[(3aS,4R,6S,6aR)-Tetrahydro-6-hydroxy-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]carbamicacid phenylmethyl ester