2H,5H-Pyrano[3,2-c][1]benzopyran-2,5-dione
CAS No. 5304-74-5
2H-1-Benzopyran-3-acrylicacid, 4-hydroxy-2-oxo-, d-lactone (7CI); 2-Pentenedioic acid, 4-[hydroxy(2-hydroxyphenyl)methylene]-,di-d-lactone; 3,4-Coumarin-a-pyrone
TIMOXICILLIN 56453-01-1
Bi.Cl 56452-11-0