The present invention provides compounds, that are N-alkyl-2-(1-(5-substituted-2-(3-oxo-3-(trifluoromethylsulfonamido)propyl)benzyl)pyrrolidin-2-yl)oxazole-4-carboxamide wherein the 5 substituent is selected from the group consisting of halo and alkyloxy radicals. The compound may be represented by the following formula wherein R1 is selected from the group consisting of CO2R7 and CON(R7)SO2R7 wherein R1, R2, R3, R4, and R7 are as defined in the specification. The compounds may be administered to treat DP1, FP, EP1, EP3, TP and/or EP4 receptor mediated diseases or conditions.
