4896-81-5 EINECS 225-519-1 Glycine, N-(2-hydroxy-3-((2-methyl-1-oxo-2-propenyl)oxy)propyl)-N-phenyl- N-(2-Hydroxy-3-((2-methyl-1-oxoallyl)oxy)propyl)-N-phenylglycine Npg-gma