124001-41-8 Ici 216140 Ici-216140 L-Leucinamide, N-(2-methyl-1-oxopropyl)-L-histidyl-L-tryptophyl-L-alanyl-L-valyl-D-alanyl-L-histidyl-N-methyl- N-Isobutyryl-his-trp-ala-val-ala-his-leu-nhme m 216140 m-216140 m216140