tert-butyl (3S,5S)-3-isopropyl-5-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)-2-(4-methoxy-3-(3-methoxypropoxy)phenyl)pyrrolidine-1-carboxylate

(1S,2R)-2-((N-benzyl-2,4,6-trimethylphenyl)sulfonamido)-1-phenylpropyl (2S,4R)-2-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)-4-(4-methoxy-3-(3-methoxypropoxy)benzyl)-5-methylhexanoate

(2S,4R)-2-((2S,4S)-4-isopropyl-5-oxotetrahydrofuran-2-yl)-4-(4-methoxy-3-(3-methoxypropoxy)benzyl)-5-methylhexanoic acid

(3S,5S)-5-((1S,3S)-1-isocyanato-3-(4-methoxy-3-(3-methoxypropoxy)benzyl)-4-methylpentyl)-3-isopropyldihydrofuran-2(3H)-one