Synonyms: benzene,1-methoxy-4-(1-propenyl)-,(e)-,homopolymer,sulfonated,sodiumsalt;polyanetholesulfonate;POLYANETHOLESULFONIC ACID SODIUM;POLYANETHOLESULFONIC ACID, SODIUM,*SIGMA ULTRA;POLYANETHOLESULFONICACID,SODIUMSALT,ULTRAPURE;SODIUM POLYANETHOLE SULPHONATE extrapure;polyanetholesulfonate sodium salt