Cabrera GM, Seldes AM
Departamento de Quimica Organica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellon II, 1428 Buenos Aires, Argentina.
J Nat Prod. 1999 May;62(5):759-60. doi: 10.1021/np980429s.
From an EtOH extract of Lignopsis spongiosum, a new beta-carboline alkaloid, 2-methyl-9H-pyrido[3,4b]indole-3-carboxylic acid (1), was isolated and characterized by spectral methods.