1-Aib-17,18,19-lys-acth nonadecapeptide (1-19) 59189-13-8 690024-S ACTH nonadecapeptide (1-19), aib(1)-lys(17,18,19)- Acth nonadecapeptide (1-19), aminoisobutyryl(1)-lysine(17,18,19)- alpha1-19-Corticotropin, 1-(2-methylalanine)-17-L-lysine-18-L-lysine-19-L-lysinamide-