Obychnye khimikaty
2026-07-19
4-联бензолборная кислота新пентил二спиртэфир
1，3，2-Dioxaborinane， 2-[1，1'-biphenyl]-4-yl-5，5-dimethyl-
1，3，2-Dioxaborinane， 2-[1，1'-biphenyl]-4-yl-5，5-dimethyl- 98%