for the following products
(R)-Potassium 2-(4-hydroxyphenyl)-2-((4-methoxy-4-oxobut-2-en-2-yl)amino)acetate | D(-)para-hydroxyl phenylglycine dane salt | D-(-)-N-(1-Methoxycarbonyl-1-propen-2-yl)-alpha-amino-(4-hydroxyphenyl)acetic acid potassium salt | D-(4-Hydroxyphenyl)-glycine dane salt | Potassium (R)-(4-hydroxyphenyl)((3-methoxy-1-methyl-3-oxoprop-1-enyl)amino)acetate and D-(-)-4-Hydroxy phenylglycine dane salt methyl potassium
