2,3,6,7-Tetramethoxy-9,9-dimethyl-9H-fluorene
2,2',6,6'-Tetramethoxy-4,4'-dimethyl-1,1'-biphenyl
(S)-(4,4',6,6'-Tetramethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(bis(3,5-bis(trimethylsilyl)phenyl)phosphane)
(1S)-(4,4',6,6'-Tetramethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(dicyclohexylphosphane)
(R)-(4,4',6,6'-Tetramethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(bis(3,5-bis(trimethylsilyl)phenyl)phosphane)
2,2',4,4'-Tetramethoxy-1,1'-biphenyl
(1R)-(4,4',6,6'-Tetramethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(dicyclohexylphosphane)
2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]
(R)-2,2'-Bis(di-p-tolylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl
(S)-2,2'-Bis[bis(4-methoxy-3,5-dimethylphenyl)phosphino]-4,4',6,6'-tetramethoxy)-1,1'-biphenyl
(R)-4,4'-Bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-3,3'-bipyridine
3,3,10,10-Tetramethoxy-2,11-dioxa-3,10-disiladodecane
(R)-2,2'-Bis(diphenylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl
(R)-2,2'-Bis[bis(3,5-dimethylphenyl)phosphino]-4,4',6,6'-tetramethoxy-)-1,1'-biphenyl
(R)-2,2',6,6'-Tetramethoxy-4,4'-bis(diphenylphosphino)-3,3'-bipyridine
(S)-4,4'-Bis(bis(3,5-dimethylphenyl)phosphino)-2,2',6,6'-tetramethoxy-3,3'-bipyridine
(S)-2,2'-Bis(diphenylphosphino)-4,4',6,6'-tetramethoxy)-1,1'-biphenyl
(S)-2,2'-Bis[bis(3,5-dimethylphenyl)phosphino]-4,4',6,6'-tetramethoxy)-1,1'-biphenyl
(S)-4,4'-Bis(diphenylphosphino)-2,2',6,6'-tetramethoxy-3,3'-bipyridine
3,3,12,12-Tetramethoxy-2,13-dioxa-3,12-disilatetradecane
