title: Photochemical cyclization of N-butyl-N'-(9-acridinyl)thiourea.
mesh_terms: D000166:Acridines / Q000138:chemical synthesis*; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003500:Cyclization; D005453:Fluorescence; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010777:Photochemistry; D013057:Spectrum Analysis; D013890:Thiourea / Q000138:chemical synthesis*; D014466:Ultraviolet Rays
chemical_list: D000166:Acridines; D013890:Thiourea