Email Record: Crystal structure of 4-[(1R,2S,5R)-2-isopropyl-5-methyl­cyclo­hex­yl] 2-methyl (2S,4S,5R)-1-[(2S,3R,5R)-5-meth­oxy­carbonyl-2-(2-methyl­phen­yl)pyrrolidine-3-carbon­yl]-5-(2-methyl­phen­yl)pyrrolidine-2,4-di­carboxyl­ate