A compound of the general formula
wherein R, and R2 are different and each represents a hydrogen atom or a methyl group, R3 represents a hydrogen atom, or a glycyl group which may be substituted, and the symbol between the carbon atoms at the 5- and 6-positions represents a single or double bond, and an acid addition salt thereof; and its antibiotic use.
通式如下的化合物
其中 R 和 R2 不同,且各自代表氢原子或甲基,R3 代表氢原子或可被取代的甘
氨酰基,5 位和 6 位碳原子之间的符号代表单键或双键,及其酸加成盐;及其抗生素用途。