数据之源，洞见之始

Oxopurpureine is found in beverages. Oxopurpureine is an alkaloid from the stems and leaves of Annona purpurea (soncoya).

5-[(2,5-dihydroxyphenyl)methyl-[(2-hydroxyphenyl)methyl]amino]-2-hydroxybenzoic acid is an aromatic amine. Lavendustin A is a natural product found in Streptomyces with data available. Lavendustin A is a compound isolated from strains of Streptomyces griseolavendus that may exert antitumor activity by inhibition of protein tyrosine kinase and tubulin polymerization. (NCI)

A monohydroxyanthraquinone that is anthraquinone in which the hydrogen atoms at positions 1, 2, 5 and 6 are replaced hydroxy, 3-methylbut-3-enamidyl, methoxy and methoxy groups, respectively. It is a natural product isolated from Streptomyces sp. SN-593, and shows moderate cytotoxicity against HL-60 and NRK cells." []

A hydroxycoumarin that is novobiocic acid lacking the 8-methyl group." []

Puntarenine has been reported in Berberis empetrifolia and Berberis darwinii with data available.