(3S,5S)-5-((1S,3S)-1-Azido-3-(hydroxy(4-methoxy-3-(3-methoxypropoxy)phenyl)methyl)-4-methylpentyl)-3-isopropyldihydrofuran-2(3H)-one

(S)-1-(benzyloxy)-5-((S)-5-oxotetrahydrofuran-2-yl)pyrrolidin-2-one

(3S,5S)-1-(benzyloxy)-3-isopropyl-5-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)pyrrolidin-2-one