| 摘要 |
PURPOSE:Antibiotics SF-1919, neutral white powder, having a specific rotation [alpha]<2>0D of -95 deg. (C. 0.97, methanol); an average elemental analysis: C57.91%, H7.30%, N11.85%, O15.53%, S3.43%, Cl2.79%; slightly soluble in water, petroleum ether, and soluble in methanol, ethanol, acetone, ethyl acetate, chloroform; positive to Greig-Liebach reaction and negative to ninhydrin and FeCl3 reactions |
