Obychnye khimikaty
2026-07-19
四водорода吡喃-4-борная кислота频哪спиртэфир
4,4,5,5-Tetramethyl-2-(tetrahydro-2H-pyran-4-yl)-1,3,2-dioxaborolane
4,4,5,5-Tetramethyl-2-(tetrahydro-2H-pyran-4-yl)-1,3,2-dioxaborolane 95+%