Synonyms: Spiro[6H-1,3-oxazine-6,8'(9'H)-[3H,7H]pyrimido[1,6,5-gh]pyrrolo[1,2-c]purine]-2,3'(3H)-dione,5',11'-diamino-1',2',3'a,4,5,12'a-hexahydro-2',3,9',9'-tetrahydroxy-4-[(1S)-1-(hydroxymethyl)-2-(sulfooxy)ethyl]-,(3'aS,4R,6R,9'aS,12'aS)- (9CI); Atelopidtoxin; Zetekitoxin