Two new piperidine alkaloids fromStreptomycessp. NEAU-Z4

Two new piperidine alkaloids from<i>Streptomyces</i>sp. NEAU-Z4 Streptazones A, B₁, B₂, C, and D:  New Piperidine Alkaloids from Streptomycetes Streptazones A, B₁, B₂, C, and D:  New Piperidine Alkaloids from Streptomycetes Strepchazolins A and B: Two New Alkaloids from a Marine Streptomyces chartreusis NA02069 Strepchazolins A and B: Two New Alkaloids from a Marine Streptomyces chartreusis NA02069 Isolation, structure elucidation and racemization of (+)- and (−)-pratensilins A–C: unprecedented spiro indolinone-naphthofuran alkaloids from a marine Streptomyces sp. Isolation, structure elucidation and racemization of (+)- and (−)-pratensilins A–C: unprecedented spiro indolinone-naphthofuran alkaloids from a marine Streptomyces sp. Two Novel Phenethylamine Alkaloids from Streptomyces sp. YIM10049 Novel antibacterial alkaloids from the Mariana Trench-derived actinomycete Streptomyces sp. SY2255 Quinazoline Alkaloids from Streptomyces michiganensis