103221-88-1 BW A-575C BW B385C BW-A 575C L-Proline, 1-(N-(1-carboxy-5-(((4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-1H-indol-2-yl)carbonyl)amino)pentyl)-DL-alanyl)- N-(1-Carboxy-5-(4-(2-hydroxy-3-isopropylaminopropoxy)-1H-indole-2-carboxamido)pentyl)alanylproline N-(1-Carboxy-5-(4-(3-isopropylamino-2-hydroxypropoxy)indole-2-carboxamido)pentyl)-alanyl-proline