2,3,4,5,6-Pentafluoroanisole 389-40-2 Anisole, 2,3,4,5,6-pentafluoro- Benzene, pentafluoromethoxy- EINECS 206-866-8 Methyl pentafluorophenyl ether NSC 21631 Pentafluoroanisole Pentafluorophenyl methyl ether