1 SAI S-adenosyl-L-homoselenocysteine 1.000 2 EEM [(3s)-3-amino-4-hydroxy-4-oxo-butyl]-[[(2s,3s,4r,5r)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methyl]-methyl-selanium 0.963