In this paper, five EI mass spectra of imidazo quinoline and imidazo quinoxalinehave been reported. Their fragmentation mode have explained through HR data andrnetastable transition.

• 本文报道咪唑并喹啉和咪唑并喹啉等五种化合物的EI谱，通过高分辨数据和亚稳跃迁解释了2-氨基-3-甲基咪唑并喹啉的裂解方式。