Compounds of the formula:
and the pharmaceutically acceptable salts thereof wherein
wherein each R is hydrogen or alkyl of 1 to 6 carbon atoms are disclosed. The compounds are useful as antibiotics.
式化合物
及其药学上可接受的盐类,其中
其中每个 R 均为氢或 1 至 6 个碳原子的烷基。这些化合物可用作抗生素。
US4717728A
申请人:——
公开号:US4717728A
公开(公告)日:1988-01-05
SATO, MAKOTO;TAKEMURA, MAKOTO;ATARASHI, SHOHGO;HIGASHI, KUNIO;NAGAHARA, T+, J. ANTIBIOTICS, 40,(1987) N 9, 1292-1302