(3R,4R,5R)-4-(N-tert-butyloxycarbonyl)-N-methylamino-5-methoxy-2,3-di(4-methoxybenzyl)oxyhexanoic acid

4-Pentenoic acid, 2-methyl-, phenylmethyl ester, (2R)-

4-Oxazolecarboxylic acid, 2-[(1R)-1-methyl-3-butenyl]-, methyl ester