From the bark of Erythrophleum guineense the so far unknown alkaloid norcassamine (4) was isolated as main product. The bark contains as second main alkaloid norcassamidine (7), identical with the already earlier in the same drug detected erythrophleinez). Its originally ascribed structure 2) should be revised. The structures of two minor alkaloids, norerythrosuamine (10) and dehydro-norerythrosuamine (12) were clarified with the aid of mass spectrometry. .- ,,Muawiu"j), originally regarded to be a single compound, is a mixture containing the same alkaloids as the drug described here. Therefore the name should be canceled.