(2R,3S)-rel-Nadolol-N-[(2R,3S)-rel-Nadolol-de(N-tert-butyl)]
Nadolol Impurity D; (S,3R)-rel-5,5'-[[(1,1-Dimethylethyl)imino]bS[(2-hydroxy-3,1-propanediyl)oxy]]bS[1,2,3,4-tetrahydro-2,3-naphthalenediol; (S,3R)-rel-5-(3-(tert-Butyl(3-(((6R,S)-6,7-dihydroxy-5,6,7,8-tetrahydronaphthalen-1-yl)oxy)-2-hydroxypropyl)amino)-2-hydroxypropoxy)-1,2,3,4-tetrahydronaphthalene-2,3-diol