(E)-1-(5-Hydroxy-2,2-dimethyl-2H-chromen-6-yl)-3-(thiophen-2-yl)prop-2-en-1-one CAS:1384268-04-5 98% (E)-2-(3n+î4-dimethoxystyryl)-4n+î4n+î5n+î5-tetramethyl-1n+î3n+î2-dioxaborolane CAS:1618099-49-2 97% | ||||||||||||