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