3-Iso-asp-tetragastrin 82392-97-0 L-Phenylalaninamide, L-tryptophyl-L-methionyl-L-beta-aspartyl- L-Tryptophyl-L-methionyl-L-beta-aspartyl-L-phenylalaninamide Tetragastrin, iso-asp(3)- Tetragastrin, isoaspartic acid(3)-