trans-4-coumaric acid(2E)-3-(4-hydroxyphenyl)acrylic acid(E)-3-(4-hydroxyphenyl)-2-propenoic acid(E)-p-coumaric acid(E)-p-hydroxycinnamic acid4'-HYDROXYCINNAMIC ACID4-Hydroxycinnamic acidnaringeninic acidp-Coumaric acidtrans-4-hydroxycinnamic acidtrans-p-Hydroxycinnamatetrans-p-coumaric acidtrans-p-coumarinic acidtrans-p-hydroxycinnamic acid