Benzoic acid, 4-(((2,3-dihydro-6-((2-methylpropyl)(2-thiazolylsulfonyl)amino)-1H-inden-5-yl)oxy)methyl)-3-methyl-
ONO-8539 is under investigation in clinical trial NCT01707901 (A Study of the Effect of ONO-8539 on Oesophageal Pain Hypersensitivity in Patients With Non-erosive Reflux Disease).