1615-02-7 2-propenoic acid, 3-(4-chlorophenyl)- 3-(4-chlorophenyl)acrylic acid CINNAMIC ACID,4-CHLORO InChI=1/C9H7ClO2/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6H,(H,11,12