18392-95-5 BRN 3002688 Formamide, N,N'-(1,1'-bitricyclo(3.3.1.1(sup 3,7))decane-3,3'-diylbis- N,N'-(1,1'-Bitricyclo(3.3.1.1(sup 3,7))decane-3,3'-diylbisformamide)