69416-61-1 A-((3-METHOXY-1-METHYL-3-OXO-1-PROPENYL)AMINO)-4-HYDROXY-BENZENE ACETIC ACID POT EINECS 273-992-8 Potassium (R)-(4-hydroxyphenyl)((3-methoxy-1-methyl-3-oxoprop-1-enyl)amino)acetate