929218-14-4 Pyrimido[5,4-g]quinazoline-2,4,6,8(1H,3H,7H,9H)-tetrone,1,3,7,9-tetramethyl-5-phenyl- 496836-50-1 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-amino-8-oxo-3-(1-propenyl)-, (6R,7R)-, compd. with2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine (1:1)