Ask a question about 3-Methyl-2-(methylamino)butanoic acid 1-phenyl-3-[2-(4-hydroxyphenyl)ethenylamino]-3-oxo-2-[[2-[(3-hydroxy-3-phenyl-2-(dimethylamino)-1-oxopropyl)amino]-3-methyl-1-oxo-2-butenyl]amino]propyl ester by Alfa Chemistry