Phenylurea64-10-835 % similar 1-Phenylsemicarbazide103-03-732 % similar Benzylurea538-32-932 % similar 4-Chlorophenylurea140-38-531 % similar N-(4-Methylphenyl)urea622-51-531 % similar Guanylurea phosphate17675-60-430 % similar Allantoin97-59-630 % similar