PTC THERAPEUTICS, INC.; CHEN, Guangming; DAKKA, Amal; KARP, Gary Mitchell; LI, Chunshi; NARASIMHAN, Jana; NARYSHKIN, Nikolai; WEETALL, Maria L.; WELCH, Ellen; ZHAO, Xin Patent: WO2013/112788 A1, 2013 ; Location in patent: Paragraph 00660 ;