Synonyms: (-)-2,3-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANYL]MALEIC ANHYDRIDE;CATASIUM(R) M(R);(-)-2,3-Bis[(2R,5R)-2,5-dimethylphospholano]maleic anhydride;(-)-2,3-Bis[(2R,5R)-2,5-dimethylphospholanyl]maleicanhydride,min.97%[catASiumM(R)];catASium(R) M(R), 3,4-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]furan-2,5-dione