5-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-3-(4-hydroxy-phenyl)-1-(2-methylsulfanyl-ethyl)-4,6-dioxo-octahydro-pyrrolo[3,4-c]pyrrole-1-carboxylic acid methyl ester MLS000034585 SMR000006194