the amount of c-labeled carbon atoms converted into dmf-insoluble material was 8 % of the backbone carbon-carbon atoms and 12 % of the side-chain nitrile and acrylate atoms from the acrylonitrile-methylacrylate copolymer and 60 % of the elastomer ( acrylonitrile-butadiene copolymer ) atoms .
C0028131
nitrile
C0001223
acrylonitrile