9-methyl-9,10-dihydroacridine

1,2,3,4,5,6,7,8-octahydro-9-methylacridine

ethyl 3-acridin-9-yl-2-cyanoprop-2-enoate

2-acridin-9-ylethanol

10-benzyl-9-methylacridin-10-ium,chloride