114460-32-1 4'-Methyl-7-((2-hydroxy-3-(beta-propinamidoethyl)amino)propoxy)flavone hydrochloride Propanamide, N-(2-((2-hydroxy-3-((2-(4-methylphenyl)-4-oxo-4H-1-benzopyran-7-yl)oxy)propyl)amino)ethyl)-, monohydrochloride SIPI-644 Sipi 644