2-Ala-N-(2-(dimethylamino)ethyl)-N(alpha)-methyl-4-phenh2-enkephalin 75638-63-0 Enkephalin, alanyl(2)-N-(2-(dimethylamino)ethyl)-N(alpha)-methyl-phenylalaninamide(4)- L-Phenylalaninamide, L-tyrosyl-D-alanylglycyl-N-(2-(dimethylamino)ethyl)-Nalpha-methyl- RX 783016 RX-783016