{HEAD ~ The biocidal compositions} of {TAIL ~ the present invention} comprise, as active ingredients, 2 bromo 2 nitropropane 1,3 diol and methyl sulfonyl acrylonitrile  
of
{ HEAD ~ The biocidal compositions } of { TAIL ~ the present invention } comprise , as active ingredients , 2 bromo 2 nitropropane 1,3 diol and methyl sulfonyl acrylonitrile
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