(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine oxide)，98%

(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine oxide)

仅供研发或工业应用，不可直接用于食品、药品、临床诊断或治疗。