{HEAD ~ The diphenyl amine derivatives} 1, which is selected from {TAIL ~ the group} consisting of the following compounds: 
selected from
{ HEAD ~ The diphenyl amine derivatives } 1 , which is selected from { TAIL ~ the group } consisting of the following compounds :
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH