The membrane electrode assembly for solid polymer electrolyte fuel cell 1, wherein {HEAD ~ Ph} in the formula is a naphthalene group, an anthracene group, a tetracene group, or {TAIL ~ a pentacene group} 
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The membrane electrode assembly for solid polymer electrolyte fuel cell 1 , wherein { HEAD ~ Ph } in the formula is a naphthalene group , an anthracene group , a tetracene group , or { TAIL ~ a pentacene group }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL