吖啶是有机化合物和具有式C13H9N的氮杂环。吖啶是母环的取代衍生物。它是与蒽结构相关的平面分子，其中中心CH基团中的一个被氮气取代。与吡啶和喹啉的相关分子一样，吖啶是一种温和的碱性物质。它是一种几乎无色的固体。它在针中结晶。
9-Bromoacridine
7-Ethoxyacridine-3,9-diamine 2-hydroxypropanoate
9-Chloroacridine
Acridine-4-carboxylic acid
Acridine-3,6-diamine hydrochloride
N,N,N′,N′-Tetramethylacridine-3,6-diamine monohydrochloride compd. with zinc dichloride
2,7-Dibromoacridine
Acridine hydrochloride
Acridine-3,6-diamine hemisulfate
Acridin-2-amine
Methyl 1,2,3,4-tetrahydroacridine-9-carboxylate
9-Amino-1,2,3,4-tetrahydroacridin-1-ol
1,2,3,4-Hetrahydroacridin-9-amine hydrochloride hydrate
9-Chloro-1,2,3,4-tetrahydroacridine
9-Chloro-5,6,7,8-tetrahydroacridine-3-carboxylic acid
1,2,3,4-Tetrahydroacridin-9-amine
1,2,3,4-Tetrahydroacridin-9-amine hydrochloride
9-Chloro-7-fluoro-1,2,3,4-tetrahydroacridine
9-Mesityl-2,7-dimethyl-10-phenylacridin-10-ium tetrafluoroborate
3,6-Di-tert-butyl-9-mesityl-10-phenylacridin-10-ium tetrafluoroborate
9-Mesityl-10-phenylacridin-10-ium tetrafluoroborate
9-Mesityl-10-phenylacridin-10-ium chloride
9-Mesityl-2,7-dimethoxy-10-phenylacridin-10-ium tetrafluoroborate
10-(3,5-Dimethoxyphenyl)-9-mesityl-1,3,6,8-tetramethoxyacridin-10-ium tetrafluoroborate
2-Bromo-9,9-dimethyl-9,10-dihydroacridine
3-(9-((4-((2,5-Dioxopyrrolidin-1-yl)oxy)-4-oxobutyl)(tosyl)carbamoyl)acridin-10-ium-10-yl)propane-1-sulfonate
3-(9-((3-Carboxypropyl)(tosyl)carbamoyl)acridin-10-ium-10-yl)propane-1-sulfonate
Acridine-9-carboxylic acid
N-(4-(4-Methylpiperazin-1-yl)phenyl)acridin-9-amine dihydrochloride
9,9-Diphenyl-9,10-dihydroacridine
