The composition comprises {HEAD ~ an amount}, effective for the intended purpose, of 2 bromo 2 nitropropane 1, 3 diol and {TAIL ~ methyl sulfonyl acrylonitrile}  
of
The composition comprises { HEAD ~ an amount } , effective for the intended purpose , of 2 bromo 2 nitropropane 1 , 3 diol and { TAIL ~ methyl sulfonyl acrylonitrile }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH