1914-42-7 BRN 2822263 Carbamic acid, (1,3,4,7-tetrachloro-2-fluorenyl)-, ethyl ester FLUORENE-2-CARBAMIC ACID, 1,3,4,7-TETRACHLORO-, ETHYL ESTER Fluorene-2-carbamic acid 1,3,4,7-tetrachloro-, ethyl ester NSC 81325