Obychnye khimikaty
2026-07-19
2，7-二борная кислотаэфир-9，9'-螺二芴
2，2'-(9，9'-spirobi[9H-fluorene]-2，7-diyl)bis[4，4，5，5-tetramethyl-1，3，2-Dioxaborolane
2，2'-(9，9'-spirobi[9H-fluorene]-2，7-diyl)bis[4，4，5，5-tetramethyl-1，3，2-Dioxaborolane 98%