As described above, diphenyl amine derivatives of Formula 1 can be prepared in high purity and yield according to {HEAD ~ a process} of {TAIL ~ the present invention} 
of
As described above , diphenyl amine derivatives of Formula 1 can be prepared in high purity and yield according to { HEAD ~ a process } of { TAIL ~ the present invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL