R- 4-oxide--hydroxy-2,6-bis[4-(2-naphthalenyl)phenyl]-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin

R- 4-oxide--hydroxy-2,6-bis[4-(2-naphthalenyl)phenyl]-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin · CAS 699006-55-8