Prostaglandin EP4 antagonist

Disclosed herein are methods and compositions related to compound 1 or a pharmaceutically acceptable salt, or a prodrug thereof (all of which are referred to hereafter, collectively or individually, as “compound 1”), which is an antagonist of a prostaglandin EP 4 receptor, or is a prostaglandin EP 4 antagonist. Also disclosed is a method comprising administering a prostaglandin EP 4 antagonist to a mammal suffering from, or at risk of developing, a disease or condition selected from the group consisting of cancer, immunological disorders, neurodegenerative disorders, ocular diseases, hepatic diseases, renal diseases, septicemia, fibromyalgia, dermatological disorders, and antipyrexia.