The sixth chapter of the Pańcaka Nipáta of the Anguttara Nikáya. A.iii.63 79.
The fourth chapter of the Bojjhanga Samyutta. S.v.91 8.
The five nivaranas make one blind, the seven bojjhangas give one light and wisdom. S.v.97f.
The four satipatthánas are to be practised in order to get rid of the five nívaranas. A.iv.457f.