2.2.2-Trichlor-1.1-bis-<(4-nitro-phenoxy)-acetamino>-aethan
2.2.2-Trichlor-1.1-bis-<(3-chlorphenoxy)acetamino>-aethan
2,2,2-Trichlor-1,1-bis-<(2-chlor-phenoxy)-acetamino>-aethan
2,2,2-Trichlor-1,1-bis-phenylmercapto-acetylamino-aethan
2,2,2-Trichlor-1,1-bis-<(4-chlorphenoxy)-acetamino>-ethan