黄磷

(hydroxyphosphoryl)bis(phosphonic acid)

1,2,3,4,5,6-hexahydroxy-1λ⁵,2λ⁵,3λ⁵,4λ⁵,5λ⁵,6λ⁵-hexaphosphinane 1,2,3,4,5,6-hexaoxide

四水甲酸铜(II)

四碘化二磷