121995-32-2 2,6-Piperidinedione, 4-(2-hydroxy-5-methyl-7-(3-methyloxiranyl))-4-oxo-6-octenyl- 4-(2-Hydroxy-5-methyl-7-(3-methyloxiranyl))-4-oxo-6-octenyl-2,6-piperidinedione Antibiotic S 632-B1 Antibiotic S 632B(sub 1) S 632B(sub 1)