(1S,2R,3E)-4-[(1S,2R)-2-tert-butyldiphenylsilyloxy-1-methyl-3-butenyloxy]-2-(methoxyethoxy)methoxy-1-methyl-3-butenyl (S)-3-tert-butoxycarbonylamino-butenoate

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

(4S,7E,9R,10S,13E,15R,16S)-9,15-dihydroxy-4,10,16-trimethyl-1,11-dioxa-5-azacyclohexadeca-7,13-diene-2,6,12-trione