(1,3-二氧代丙烷-1,3-二基)双氨基甲酸二乙酯

1-苯甲酰基-3-苯基脲

甲醇钠

盐酸

N-(1,3-dimethyl-2,4,6-trioxo-hexahydro-pyrimidin-5-yl)-N'-phenyl-urea