4H,5H-PYRANO[4,3-B]PYRAN-4,5-DIONE,2-ETHYL-2,3-DIHYDRO-7-METHYL-
CAS No. 516482-61-4
4H,5H-Pyrano[4,3-b]pyran-4,5-dione,2-ethyl-2,3-dihydro-7-methyl-(9CI)
Etamycin B 66002-40-2
HNa3O 87331-12-2