Harrison WT, Plater MJ, Yin LJ. Investigations of new potential photo-acid generators: crystal structures of 2-[(E)-2-phenyl-ethen-yl]phenol (ortho-rhom-bic polymorph) and (2E)-3-(2-bromo-phen-yl)-2-phenyl-prop-2-enoic acid. Acta Crystallogr E Crystallogr Commun. 2016 Mar 01; 72(Pt 3):407-11.