Sanofi has agreed to buy Principia Biopharma Inc. for a total enterprise value of roughly $3.36 billion, and an equity value of $3.68 billion. "Sanofi to Acquire US Company Principia Biopharma for $3.68 Bln," at 0551 GMT, incorrectly stated that Sanofi will acquire Principia Biopharma Inc. for a total enterprise value of roughly $3.68 billion.