Registre de correu electrònic: Ethyl 3-(4-chloro­benzo­yl)-1-(4-chloro­benz­yl)-4-(4-chloro­phen­yl)-2,2-dioxo-3,4,6,7,8,8a-hexa­hydro-1H-pyrrolo­[2,1-c][1,4]thia­zine-1-carboxyl­ate