Which of the following is an incorrect match?

  • A
    $HO-C_6H_4-COOH$ : Aspirin
  • B
    $(Cl-C_6H_4)_2CH-CCl_3$ : $D.D.T.$
  • C
    $NH_2-CO-NH_2$ : Urea
  • D
    $NH_2-C_6H_4-SO_3H$ : Sulphanilic acid

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