U1R1E1T1H4A1N1
10 points
URETHAN is validvalid
urethane [n URETHANS]
a crystalline ether, used as an anaesthetic and pesticide, also URETHANE [n -S]
urethane [n URETHANS]
a crystalline ether, used as an anaesthetic and pesticide, also URETHANE [n -S]