67665-45-6

9,9'-Spriobifluorene-2,2'-diamine 9,9'-Spirobi[fluorene]-2,2'-diaMine 9,9'-Spirobi[9H-fluorene], 2,2'-aMino- 9,9'-Spirobi[9H-fluorene]-2,2'-diamine 9,9'-Spirobi[9H-fluorene]-2,2'-diamine 20g 9,9'-Spirobi[9H-fluorene]-2,2'-diamine ISO 9001：2015 REACH