Pyridazine derivatives. X. 10H-benzo[b]pyridazino[3,4-e][1,4]thiazine and 5H-benzo[b]pyridazino[4,3-e][1,4]thiazine.
D002625:Chemistry, Organic; D007259:Infrared Rays; D055601:Organic Chemistry Phenomena; D010640:Phenothiazines; D011724:Pyridazines; D013057:Spectrum Analysis; D014466:Ultraviolet Rays
D010640:Phenothiazines; D011724:Pyridazines