potassium (R)-(4-hydroxyphenyl)[(3-methoxy-1-methyl-3-oxoprop-1-enyl)amino]acetate; potassium (4-hydroxyphenyl){[(1Z)-3-methoxy-1-methyl-3-oxoprop-1-en-1-yl]amino}acetate; D-(-)-A-4-HYDROXYPHENYLGLYCINE DANE SALT METHYL POTASSIUM; potassium 2-(4-hydroxyphenyl)-2-[(3-methoxy-1-methyl-3-oxo-prop-1-enyl)amino]acetate; D-p-hydroxyphenylglycine Deng sylvite; D-P-Hydroxyphenylglycine Dane Potassium Salt; D(-) Alpha Parahydroxy Phenylglycine Dane Salt