Gunatilaka, A.A.L.Sultanbava, M.U.S.Balasubramaniam, S.2010-07-062010-07-061980Journal of the National Science Council of Sri Lanka, 8(2):p.187-207https://dl.nsf.gov.lk/handle/1/6417Plant extractsQuaternary alkaloidsPreliminary alkaloidsAgricultureChemical investigation of Sri Lankan plants. Part 42:a survey of plants of Sri Lanka for alkaloids IIArticle