154336-13-7 28-Mephe-31-N-meile-cck (26-33) Cholecystokinin (26-33), mephe(28)-N-meile(31)- Cholecystokinin (26-33), methylphenylalanyl(28)-N-methylnorisoleucyl(31)- L-Phenylalaninamide, L-alpha-aspartyl-L-tyrosyl-erythro-beta-methyl-D-phenylalanylglycyl-L-tryptophyl-N-methyl-L-norleucyl-L-alpha-aspartyl- Snf 8815 Snf-8815