mycoticin A

Fulongmycin A

Antibiotic 464

(3E,5E,7E,9E,11E,14S,15S,16R,18R,20R,24S,26R,28R,29E,31S,32S)-15,31-Dimethyl-32-isopropyl-14,16,18,20,22,24,26,28-octahydroxyoxacyclodotriaconta-3,5,7,9,11,29-hexen-2-one

(3E,5E,7E,9E,11E,14S,15S,16R,18R,20R,24S,26R,28R,29E,31S,32S)-14,16,18,20,22,24,26,28-Octahydroxy-15,31-dimethyl-32-(1-methylethyl)-1-oxacyclodotriaconta-3,5,7,9,11,29-hexen-2-one