1135-24-6 2-Propenoic acid, 3-(4-hydroxy-3-methoxyphenyl)- 3-(4-Hydroxy-3-methoxyphenyl)-2-propenoic acid 3-(4-Hydroxy-3-methoxyphenyl)acrylic acid 3-Methoxy-4-hydroxycinnamic acid 4-Hydroxy-3-methoxycinnamic acid Cinnamic acid, 4-hydroxy-3-methoxy- FERULIC ACID NSC2821