1 1R3 N-{3-[dihydroxy(nonyl)-lambda~4~-sulfanyl]propyl}-N~3~-[(2r)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alaninamide 1.000 2 XLN N~3~-{(2r)-4-[(dihydroxyphosphanyl)oxy]-2-hydroxy-3,3-dimethylbutanoyl}-N-(3-{[(1z)-pent-1-en-1-yl]sulfonyl}propyl)-beta-alaninamide 0.853