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(11aS)-3,7-Bis(4-nitrophenyl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aR)-3,7-Bis(4-(trifluoromethyl)phenyl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aS)-3,7-Bis(4-chlorophenyl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aR)-3,7-Bis(4-chlorophenyl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aS)-3,7-Bis([1,1'-biphenyl]-4-yl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aR)-10,11,12,13-Tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-3,7-di-2-naphthalenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aS)-10,11,12,13-Tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-3,7-di-9-phenanthrenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aR)-3,7-Bis([1,1'-biphenyl]-4-yl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aS)-10,11,12,13-Tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-3,7-di-1-naphthalenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aR)-10,11,12,13-Tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-3,7-di-9-phenanthrenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aR)-10,11,12,13-Tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-3,7-di-1-naphthalenyl-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin

(11aS)-3,7-Bis(3,5-dimethylphenyl)-10,11,12,13-tetrahydro-10,10,13,13-tetramethyl-5-hydroxy-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin