Obychnye khimikaty
2026-07-19
2-этиленбензолборная кислота频呢спиртэфир
2-(2-ethenylphenyl)-4，4，5，5-tetramethyl-1，3，2-dioxaborolane
2-(2-ethenylphenyl)-4，4，5，5-tetramethyl-1，3，2-dioxaborolane 98%