Obychnye khimikaty
2026-07-19
（2，7-二трет-бутил-9-метил芴-9基）膦кислота
(2，7-di-tert-butyl-9-methyl-9H-fluoren-9-yl)phosphonic acid
(2，7-di-tert-butyl-9-methyl-9H-fluoren-9-yl)phosphonic acid 98%