AMBRX, INC.; MIAO, Zhenwei; ATKINSON, Kyle, C.; BIROC, Sandra; BUSS, Timothy; COOK, Melissa; KRAYNOV, Vadim; MARSDEN, Robin; PINKSTAFF, Jason; SKIDMORE, Lillian; SUN, Ying; SZYDLIK, Angieszka; VALENTA, Ianina Patent: WO2012/166560 A1, 2012 ; WO 2012/166560 A1