sodium (R)-(4-hydroxyphenyl)[(3-methoxy-1-methyl-3-oxoprop-1-enyl)amino]acetate

(αR)-α-(4-Hydroxyphenyl)-α-(2-methoxycarbonyl-1-methylvinylamino)acetic acid sodium salt

[2R,(-)]-2-(4-Hydroxyphenyl)-2-(2-methoxycarbonyl-1-methylvinylamino)acetic acid sodium salt