| —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-4-benzyl-2-tert-butylcarbamoyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid thiazol-5-ylmethyl ester | —— | C36H50N6O5S | 678.896 | 
                                                                                                                                            
                                        | —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-2-tert-butylcarbamoyl-4-thiazol-5-ylmethyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid thiazol-5-ylmethyl ester | —— | C33H47N7O5S2 | 685.912 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(4-fluoro-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-methyl-thiazol-4-ylmethyl ester | —— | C37H51FN6O5S | 710.914 | 
                                                                                                                                            
                                        | —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-4-benzyl-2-tert-butylcarbamoyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C39H56N6O5S | 720.977 | 
                                                                                                                                            
                                        | —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-2-tert-butylcarbamoyl-4-pyridin-4-ylmethyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C38H55N7O5S | 721.965 | 
                                                                                                                                            
                                        | —— | N'-[(1R)-1-[[[(1S,2R)-3-[(2S)-2-[[(1,1-dimethylethyl)amino]carbonyl]-4-(5-thiazolylmethyl)-1-piperazinyl]-2-hydroxy-1-(phenylmethyl)propyl]amino]carbonyl]-2-methylpropyl]-N-methyl-N-(5-thiazolylmethyl)urea | —— | C34H50N8O4S2 | 698.954 | 
                                                                                                                                            
                                        | —— | N'-[(1S)-1-[[[(1S,2R)-3-[(2S)-2-[[(1,1-dimethylethyl)amino]carbonyl]-4-(5-thiazolylmethyl)-1-piperazinyl]-2-hydroxy-1-(phenylmethyl)propyl]amino]carbonyl]-2-methylpropyl]-N-methyl-N-(5-thiazolylmethyl)urea | —— | C34H50N8O4S2 | 698.954 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(4-fluoro-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C39H55FN6O5S | 738.967 | 
                                                                                                                                            
                                        | —— | (S)-4-Benzyl-1-{(2R,3S)-2-hydroxy-3-[(R)-3-methyl-2-(3-methyl-3-thiazol-5-ylmethyl-ureido)-butyrylamino]-4-phenyl-butyl}-piperazine-2-carboxylic acid tert-butylamide | —— | C37H53N7O4S | 691.938 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(4-hydroxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C39H56N6O6S | 736.976 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
                                        | —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-2-tert-butylcarbamoyl-4-thiazol-5-ylmethyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C36H53N7O5S2 | 727.993 | 
                                                                                                                                            
                                        | —— | {(R)-1-[(1S,2R)-1-Benzyl-3-((S)-2-tert-butylcarbamoyl-4-thiazol-5-ylmethyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C36H53N7O5S2 | 727.993 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(3-hydroxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C39H56N6O6S | 736.976 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(3,4-dimethoxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-methyl-thiazol-4-ylmethyl ester | —— | C39H56N6O7S | 752.976 | 
                                                                                                                                            
                                        | —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-2-tert-butylcarbamoyl-4-pyridin-3-ylmethyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C38H55N7O5S | 721.965 | 
                                                                                                                                            
                                        | —— | {(S)-1-[(1S,2R)-3-((S)-4-Benzo[1,3]dioxol-5-ylmethyl-2-tert-butylcarbamoyl-piperazin-1-yl)-1-benzyl-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-methyl-thiazol-4-ylmethyl ester | —— | C38H52N6O7S | 736.933 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(3,4-dimethoxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-ethyl-thiazol-4-ylmethyl ester | —— | C40H58N6O7S | 767.003 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-3-[(S)-4-(1H-Benzoimidazol-2-ylmethyl)-2-tert-butylcarbamoyl-piperazin-1-yl]-1-benzyl-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C40H56N8O5S | 761.001 | 
                                                                                                                                            
                                        | —— | N'-[(1S)-1-[[[(1S,2R)-3-[(2S)-2-[[(1,1-dimethylethyl)amino]carbonyl]-4-(phenylmethyl)-1-piperazinyl]-2-hydroxy-1-(phenylmethyl)propyl]amino]carbonyl]-2-methylpropyl]-N-methyl-N-[2-(1-methylethyl)-4-thiazolylmethyl]urea | —— | C40H59N7O4S | 734.019 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(3,4-dimethoxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C41H60N6O7S | 781.029 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                        | —— | {(S)-1-[(1S,2R)-1-Benzyl-3-((S)-2-tert-butylcarbamoyl-4-quinolin-2-ylmethyl-piperazin-1-yl)-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | —— | C42H57N7O5S | 772.024 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(3,4-dimethoxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-ethyl-thiazol-5-ylmethyl ester | —— | C40H58N6O7S | 767.003 | 
                                                                                                                                            
                                        | —— | {(S)-1-[(1S,2R)-3-((S)-4-Benzo[1,3]dioxol-5-ylmethyl-2-tert-butylcarbamoyl-piperazin-1-yl)-1-benzyl-2-hydroxy-propylcarbamoyl]-2-methyl-propyl}-carbamic acid 2-isopropyl-thiazol-4-ylmethyl ester | 221447-99-0 | C40H56N6O7S | 764.987 | 
                                                                                                                                            
                                        | —— | N'-[(1S)-1-[[[(1S,2R)-3-[(2S)-2-[[(1,1-dimethylethyl)amino]carbonyl]-4-(5-thiazolylmethyl)-1-piperazinyl]-2-hydroxy-1-(phenylmethyl)propyl]amino]carbonyl]-2-methylpropyl]-N-methyl-N-[2-(1-methylethyl)-4-thiazolylmethyl]urea | —— | C37H56N8O4S2 | 741.035 | 
                                                                                                                                            
                                        | —— | ((S)-1-{(1S,2R)-1-Benzyl-3-[(S)-2-tert-butylcarbamoyl-4-(3,4-dimethoxy-benzyl)-piperazin-1-yl]-2-hydroxy-propylcarbamoyl}-2-methyl-propyl)-carbamic acid 2-isopropyl-thiazol-5-ylmethyl ester | —— | C41H60N6O7S | 781.029 |