From a Peruvian curare a new bisbenzylisoquinoline alkaloid, ( R,S)-nor-N (b)-chondrocurine, 1, was isolated together with the known ( R,R)-curine, 2, (R,S)-chondrocurine, 3, and tubocurarine (as chloride), 5. (13)C-NMR data of 1, 2 and of ( R,S)-di-methylchondrocurine, 4, are reported.