Propanoic acid, 2,2-dimethyl-, 1,1'-[2'-[12-[bis(1-methylethyl)amino]-15-cyano-3-oxo-11,13-dioxa-4-aza-12-phosphapentadec-1-yl]-4',5,6,7'-tetrachloro-5'-methyl-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3',6'-diyl] ester
Propanoic acid, 2,2-dimethyl-, 1,1'-[2'-[12-[bis(1-methylethyl)amino]-15-cyano-3-oxo-11,13-dioxa-4-aza-12-phosphapentadec-1-yl]-4',5,6,7'-tetrachloro-5'-methyl-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3',6'-diyl] ester