(S)-3-{N-benzyl-N-[(1R,2S)-2-hydroxy-1-methylbutenyl]amino}-1-methyl-3-oxo-propyl (2E,4R,5S)-5-acryloyloxy-4-(2-methoxyethoxy)methoxy-2-hexenoate

(3S,6E,8R,9S,12E,14R,15S)-16-benzyl-14-hydroxy-8-(2-methoxyethoxy)methoxy-3,9,15-trimethyl-16-aza-4,10-dioxa-6,12-cyclohexadecadiene-1,5,11-trione