1,2-Diamino-4-chloro-5-fluorobenzene4-chloro-5-fluorobenzene-1,2-diamine4-Chloro-5-fluorophenylene-1,2-diamine1-Chloro-4,5-diamino-2-fluorobenzene5-Chloro-4-fluorophenylene-1,2-diamine4-Chloro-5-fluorobenzene-1,2-diamine 98%4-Chloro-1,2-diamino-5-fluorobenzene1,2-Diamino-4-chloro-5-fluorobenzene4-氯-5-氟-邻苯二胺4-Chloro-5-fluoro-o-phenylenediamine