J Antibiot (Tokyo). 2000 Sep;53(9):973-4.
Piptamine, a new antibiotic produced by Piptoporus betulinus Lu 9-1.
Schlegel B, Luhmann U, Härtl A, Gräfe U.
Hans-Knöll-Institute for Natural Products Research, Jena, Germany.
PMID: 11099232 [PubMed - indexed for MEDLINE]