Propylurea627-06-5100 % similar Butylurea592-31-477 % similar N-Octadecylurea2158-08-974 % similar Ethylurea625-52-557 % similar (2-Hydroxyethyl)urea2078-71-954 % similar Isobutylurea592-17-650 % similar N-Propylthiourea927-67-350 % similar Ureidopropyltriethoxysilane23779-32-047 % similar Dodecylguanidine hydrochloride13590-97-145 % similar Ureidopropyltrimethoxysilane23843-64-345 % similar Dodine2439-10-344 % similar Methylurea598-50-542 % similar N-Butylthiourea1516-32-141 % similar N-Propyl-L-arginine137361-05-841 % similar Biuret108-19-041 % similar Biurea110-21-441 % similar Allylurea557-11-941 % similar Hydantoic acid462-60-239 % similar Dibutylurea1792-17-239 % similar Butyramide541-35-538 % similar