1 OQP (3r,3as,6ar)-hexahydrofuro[2,3-B]furan-3-yl [(2s,3s,5s)-3-hydroxy-5-({1-[(methoxycarbonyl)amino]cyclopentane-1-carbonyl}amino)-1,6-diphenylhexan-2-yl]carbamate 1.000 2 OPJ (3r,3as,6ar)-hexahydrofuro[2,3-B]furan-3-yl [(2s,4s,5s)-4-hydroxy-5-({1-[(methoxycarbonyl)amino]cyclopentane-1-carbonyl}amino)-1,6-diphenylhexan-2-yl]carbamate 0.956