スルホニル尿素
硫酸.
硫酸カリ.
a synthetic resin made of urea and Formalin called urea resin
a synthetic resin made from urea and formalin, called urea resin
a material for fiber, called acetyl cellulose
a solution made from a dilute sulphuric acid
an ester of glycerol and stearic acid