The Complete List of Suppliers for tert-butyl (2R,5S)-5-{[(3R,5S)-4-[(tert-butoxy)carbonyl]-3,5-dimethylpiperazin-1-yl]methyl}-4-(2-{6-[(4-fluorophenyl)methyl]-3,3-dimethyl-1H,2H,3H-pyrrolo[3,2-b]pyridin-1-yl}-2-oxoethyl)-2-methylpiperazine-1-carboxylate