Palabras claves: Anchusa, Boraginaceae, Dihydroxycinnamate-derived polyether, NMR, Poly[3-(3,4-dihydroxyphenyl)glyceric acid], poly[oxy-1-carboxy-2-(3,4-dihydroxyphenyl)ethylene], Symphytum
Autores: Amiranashvili L., Antonio Salgado, Barbakadze V., Chankvetadze B., Gogilashvili L., Merlani M., Mulkijanyan K.