(1R,2'R)-1-(2,3,4,5-tetrahydro-5-oxo-2-furyl)-2-N-(p-toluenesulfonyl)-1,2,3,4-tetrahydroisoquinoline
(1r,2'r)-1-(2,3,4,5-tetrahydro-5-oxo-2-furyl)-2-n-(p-toluenesulfonyl)-1,2,3,4-tetrahydroisoquinoline