1 OR1 (3r,3as,6ar)-hexahydrofuro[2,3-B]furan-3-yl [(2s,4s,5s)-5-{[(2,6-dimethylphenoxy)acetyl]amino}-4-hydroxy-1,6-diphenylhexan-2-yl]carbamate 1.000 2 ORV (3r,3as,6ar)-hexahydrofuro[2,3-B]furan-3-yl [(2s,4s,5s)-4-hydroxy-5-{[N-(methoxycarbonyl)-L-alanyl]amino}-1,6-diphenylhexan-2-yl]carbamate 0.700