157623-03-5 Glycinamide, L-asparaginyl-L-prolyl-L-phenylalanyl-L-histidyl-L-alanyl-L-tryptophyl- L-Asparaginyl-L-prolyl-L-phenylalanyl-L-histidyl-L-alanyl-L-tryptophylglycinamide Leucokinin 2