4,6-Dioxo-10-propyl-4H,6H-benzo(1,2-b:5,4-b')dipyran-2,8-dicarbonsaeure 4H,6H-Benzo(1,2-b:5,4-b')dipyran-2,8-dicarboxylic acid, 4,6-dioxo-10-propyl- 58805-38-2 Ambicromil Ambicromilum [INN-Latin] FPL 58668 Probicromil Probicromil Calcium