(1R,2R,4S,5S)-diethyl 6,7-diazatricyclo[3.2.2.02,4]non-8-ene-6,7-dicarboxylate

1-[N,N'-Diaethoxycarbonyl-hydrazino]-cycloheptatrien

2-甲氧基-4(3H)-喹唑啉酮

12H,15H-<1,3,4>thiadiazolo<2,3-b:5,4-b'>diquinazoline-12,15-dione

bis(3,4-dihydro-4-oxo-2-quinazolinyl) sulphide