 | N2,n7-di-1-naphthalenyl-n2,n7-diphenyl-9,9-spirobi[9h-fluorene]-2,7-diamine | CAS #:932739-76-9 | | | Xpr industrial(china) limited | Tel:+86-574-88123360 More |
| | N2,n7-di-1-naphthalenyl-n2,n7-diphenyl-9,9-spirobi[9h-fluorene]-2,7-diamine | CAS #:932739-76-9 | | | Xpr industrial(china) limited | Tel:+86-574-88123360 More |
|
 1  |
|
