Seto Y, Ochi M, Igarashi N, Inoue R, Oishi A, Toida T, Yamada S, Onoue S. In vitro photobiochemical characterization of sulfobutylether-β-cyclodextrin formulation of bufexamac. Journal of Pharmaceutical and Biomedical Analysis. 2011 Jun;55(3):591–6. doi: 10.1016/j.jpba.2011.02.025.