Methylurea598-50-5100 % similar Biuret108-19-050 % similar Biurea110-21-450 % similar Ethylurea625-52-545 % similar Hydroxyurea127-07-145 % similar tert-Butylurea1118-12-343 % similar Aminourea hydrochloride563-41-743 % similar Semicarbazide57-56-743 % similar Propylurea627-06-542 % similar Methylol urea1000-82-441 % similar Acetone semicarbazone110-20-340 % similar Isobutylurea592-17-640 % similar Butylurea592-31-440 % similar N-Octadecylurea2158-08-938 % similar Hydroxyethyl urea2078-71-938 % similar Methylthiourea598-52-736 % similar Allylurea557-11-936 % similar Hydantoic acid462-60-235 % similar Cyclohexylurea698-90-835 % similar Allantoic acid99-16-135 % similar