{HEAD ~ The terminal radicals} of the compounds of formula B1 are according to the definitions of R2 and {TAIL ~ R3} and if X represents COO or CONR5 , the acyl radicals of acrylic or methacrylic acid or the monoacyl radicals of maleic, fumaric or itaconic acid, or if monoalkyl esters of these acids with straight or branched chain alkanols of 1 to 10 carbon atoms, such as methanol, ethanol, butanol, diisobutyl alcohol or decanol, of if X represents oxygen, the vinyloxy radical of vinyl ethers 
{ HEAD ~ The terminal radicals } of the compounds of formula B1 are according to the definitions of R2 and { TAIL ~ R3 } and if X represents COO or CONR5 , the acyl radicals of acrylic or methacrylic acid or the monoacyl radicals of maleic , fumaric or itaconic acid , or if monoalkyl esters of these acids with straight or branched chain alkanols of 1 to 10 carbon atoms , such as methanol , ethanol , butanol , diisobutyl alcohol or decanol , of if X represents oxygen , the vinyloxy radical of vinyl ethers
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH