Synonyms: 1,3-di-tert-butyl-1-chloro-1,3-diphenyldiphosphoxan-1-ium 3-oxide chloride;104092-21-9;AC1L4R3T;AC1Q1S1O;KST-1A9910;Phosphonic acid, (1,1-dimethylethyl)phenyl-, phosphorus complex;AR-1B7198;CHLORO-PHENYL-(PHENYL-TERT-BUTYL-PHOSPHORYL)OXY-TERT-BUTYL-PHOSPHANIUM CHLORIDE;tert-butyl-[tert-butyl(phenyl)phosphoryl]oxy-chloro-phenylphosphanium chloride;Phosphorus(1 ), chloro(1,1-dimethylethyl)((1,1-dimethylethyl)phenylphosphonato-O)phenyl-, chloride, stereoisomer