(11aR)-1,10-Di([1,1':3',1''-terphenyl]-5'-yl)-12-hydroxy-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine 12-oxide 1g

(11aR)-1,10-Di([1,1':3',1''-terphenyl]-5'-yl)-12-hydroxy-4,5,6,7-tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocine 12-oxide 1g