(2,4,6-tritert-butylphenyl)-(2,4,6-tritert-butylphenyl)phosphanylidenephosphane

1-Butyl-2-methyl-1,2-bis-(2,4,6-tri-tert-butyl-phenyl)-diphosphane

lithium 2-butyl-1,2-bis(2,4,6-tri-tert-butylphenyl)diphosphan-1-ide

chloro(methyl)(2,4,6-tri-tert-butylphenyl)phosphane