Answer: urethans

AnswerCrossword Clue
urethansURETHAN, a chemical compound, also URETHANE
urethansany derivative of carbamic acid having the formula CH2NO2R
urethanswhite, crystalline, water-soluble powder, C3H7NO2: used chiefly as a solvent, in organic synthesis, as a fungicide and pesticide, and formerly in cancer treatment