nitrile compound

tert-butyl ((2S)-3-(3-(benzyloxy)-2-iodo-4-methoxy-5-methylphenyl)-1-(((R)-2-((tert-butyldiphenylsilyl)oxy)-1-(6-(methoxymethoxy)-7-methylbenzo[d][1,3]dioxol-4-yl)ethyl)(1-((4-methoxyphenyl)amino)-1-oxopropan-2-yl)amino)-1-oxopropan-2-yl)carbamate

tert-butyl ((S)-1-((((6S,7R,9R,14aS,15R)-7-cyano-1-hydroxy-2,11-dimethoxy-3,12,16-trimethyl-10,13-dioxo-6,7,9,10,13,14,14a,15-octahydro-5H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-9-yl)methyl)amino)-1-oxopropan-2-yl)carbamate

tert-butyl ((S)-1-((((6S,7R,9R,14aS,15R)-7-cyano-2,11-dimethoxy-1-(methoxymethoxy)-3,12,16-trimethyl-10,13-dioxo-6,7,9,10,13,14,14a,15-octahydro-5H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-9-yl)methyl)amino)-1-oxopropan-2-yl)carbamate