CAS 2803377-12-8 appears in our catalog under these names: (S)-N-[(S)-3-[4-(Benzyloxy)phenyl]-1-(diethylamino)-1-oxo-2-propyl]-2-[(E)-[2-(diphenylphosphino)benzylidene]amino]-3,3-dimethylbutanamide, 97%, 97%, (S)-4-methyl-N-((R)-1-(((R)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((R)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide, 97%. Offered by: Chemat, Fluorochem. Available pack sizes: 10mg.