The Macrolides are a group of Antibiotics whose activity stems from the presence of a macrolide ring and a large lactone ring in their structure. The most commonly-prescribed Macrolides are:
... (SPP)
Romanian Intelligence Service[?] [SRI]
Russia
Federalnaya Sluzhba Bezopasnosti (FSB, successor of KGB)
Glavnoye Razvedyvatelnoye Upravlenie[?] (GRU)
Sluzhba ...