2,4-Undecadienoic acid, 11-(3-(hydroxymethyl)-4-oxo-2-oxetanyl)-3,5,7-trimethyl-, (2R-(2-alpha(2E,4E,7R*),3-beta))- 29066-42-0 Antibiotic 1233A Antibiotic F 244 F 244 L 659699