2-methyl-7,8,9,10-tetrahydro-6H-pyrimido[1,2-a]azepin-4-one

6-bromo-7,8,9,10-tetrahydro-6H-azepino[2,1-b]quinazolin-12-one

1-甲基-3-（3-氧代环己烯-1-基）氮杂卓-2-酮

3-乙基六氢-3-(3-甲氧基苯基)-1-甲基-2H-氮杂卓-2-酮

3-乙基六氢-3-(3-甲氧基苯基)-1-甲基-1H-氮杂卓