2-oxido-3,4-dihydroisoquinolin-2-ium

2-benzyl-3,4-dihydro-1H-isoquinoline

2-甲基-1,2,3,4-四氢异喹啉

2-苄基异喹啉-1,3,4-三酮

2-ethylisoquinoline-1,3,4-trione