. "(2E)-2-Cyano-3-(4-hydroxyphenyl)prop-2-enoic acid" . . . "4-Hydroxy-\u03B1-cyanocinnamic acid" . . "\u0391-Cyano-4-hydroxycinnamic acid" . . . . . "2-Cyano-4-hydroxycinnamic acid" . . "2-\u200BCyano-3-(4-\u200Bhydroxyphenyl)\u200B-2-acrylic acid" . "\u03B1-Cyano-p-hydroxycinnamic acid" . . "\u0391-Cyano-4-hydroxycinnamic acid" . . . "2-\u200BCyano-3-(4-\u200Bhydroxyphenyl)\u200B-2-propenoic acid" . . .