(E)-.alpha.-Stilbenecarboxylic acid (E)-2,3-Diphenylpropenoic acid .alpha.-Phenylcinnamic acid (cis-form) 91-48-5 Acrylic acid, 2,3-diphenyl-, (E)- Benzeneacetic acid, .alpha.-(phenylmethylene)-, (E)- NSC83528 cis-Stilbene-.alpha.-carboxylic acid trans-.alpha.-Phenylcinnamic acid trans-2,3-Diphenylacrylic acid trans-2,3-Diphenylpropenoic acid