Macrolides(大环内酯类) First generation: Erythromycin(红霉素14) Medecamycin(麦迪霉素16) - Spiramycin(螺旋霉素16) Second generation Clarithromycin(克拉霉素14 Azithromycin(阿奇霉素15) Acetylmedecamycin(乙酰麦迪霉素16) Third generation: Telithromycin(泰利霉素14)• First generation: - Erythromycin(红霉素 14) - Medecamycin(麦迪霉素 16) - Spiramycin(螺旋霉素 16) • Second generation: - Clarithromycin(克拉霉素 14) - Azithromycin(阿奇霉素 15) - Acetylmedecamycin(乙酰麦迪霉素 16) • Third generation: - Telithromycin(泰利霉素 14) Macrolides （大环内酯类）