1 1MQ (2r,3e)-2-[(2s,3r,6s)-2,3-bis(4-chlorophenyl)-6-(4-fluorobenzyl)-5-oxomorpholin-4-yl]pent-3-enoic acid 1.000 2 1MO (2s,5r,6s)-2-benzyl-5,6-bis(4-chlorophenyl)-4-methylmorpholin-3-one 0.806 3 1MN (2s,5r,6s)-2-benzyl-5,6-bis(4-bromophenyl)-4-methylmorpholin-3-one 0.711