Ethyl 2-chloro-6-(2,3-difluorophenyl)nicotinate
Ethyl 2-chloro-5-(2,3-difluorophenyl)nicotinate
Ethyl 5-chloro-2-(2,3-difluorophenyl)isonicotinate
Ethyl 3-chloro-5-(2,3-difluorophenyl)isonicotinate
+86(0) 189-6910-6387
[email protected]