The Complete List of Suppliers for methyl (4S,7S,10aS)-4-(((2S,5R)-5-(4-hydroxybenzyl)-6-(((4S,7S,10aS)-7-(methoxycarbonyl)-5-oxooctahydro-7H-pyrido[2,1-b][1,3]thiazepin-4-yl)amino)-6-oxo-2-propylhexanoyl)amino)-5-oxooctahydro-7H-pyrido[2,1-b][1,3]thiazepine-7-carboxylate