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

S-4-oxide-4-hydroxy-2,6-bis(4-nitrophenyl)- Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin · CAS 878111-16-1