5-甲基-6H-吡啶并[3,4-h]咔唑-9-醇

1-甲基-4-苯基-哌啶

1-ethyl-1-methylpiperidin-1-ium-4-one,iodide

2,8-dimethyl-1,3,4,7,8,8a-hexahydroisoquinolin-6-one

1-甲基-5,5-二苯基-氮杂环庚-4-酮