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Arena License Agreement (Details) - Arena Pharmaceuticals, Inc.
$ in Millions
Jan. 24, 2019
USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions  
Upfront payment $ 800.0
Marketing approval in the United States  
Collaborative Arrangements and Non-collaborative Arrangement Transactions  
Milestone payment to be made upon marketing approval 250.0
Marketing approval in any of Japan, France, Italy, the United Kingdom, Spain or Germany  
Collaborative Arrangements and Non-collaborative Arrangement Transactions  
Milestone payment to be made upon marketing approval $ 150.0