(2R,5Z)-10-[(1R,2S)-2-decylcyclopropyl]-N-((1S,2R,6Z)-11-[(1R,2S)-2-decylcyclopropyl]-2-hydroxy-1-{[3,4-O-isopropylidene-2-O-(3-methylbut-2-enyl)-β-D-galactopyranosyloxy]methyl}undec-6-enyl)-2-hydroxydec-5-enamide