88191-66-6 Bis(tyr-pro-phenh2)hydrazide Bis(tyrosyl-prolyl-phenylalaninamide)hydrazide Csmso2 L-Phenylalanine, N-(1-L-tyrosyl-L-prolyl)-, 2-(N-(1-L-tyrosyl-L-prolyl)-L-phenylalanyl)hydrazide