Synonyms: (R)-SIPHOS-PE;(S)-SIPHOS-PE;N-DI[(R)-1-PHENYLETHYL]-[(R)-1,1'-SPIROBIINDANE-7,7'-DIYL]-PHOSPHORAMIDITE;N-DI[(R)-1-PHENYLETHYL]-[(S)-1,1'-SPIROBIINDANE-7,7'-DIYL]-PHOSPHORAMIDITE;(11AS)-(-)-10,11,12,13-TETRAHYDRODIINDENO[7,1-DE:1',7'-FG][1,3,2]DIOXAPHOSPHOCIN-5-BIS(R)-1-PHENYLETHYL]AMINE;(11AR)-(+)-10,11,12,13-TETRAHYDRODIINDENO[7,1-DE:1',7'-FG][1,3,2]DIOXAPHOSPHOCIN-5-BIS(R)-1PHENYLETHYL]AMINE;(11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-bis[(R)-1-phenylethyl]amine,min.98%(S)-SIPHOS-PE;(11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1μ, 7μ-fg][1,3,2]dioxaphosphocin-5-bis[(R)-1-phenylethyl]amine, N-Di[(R)-1-phenylethyl]-[(S)-1,1μ-spirobiindane-7,7μ-diyl]-phosphoramidite