4H-1-Benzopyran-4-one, 8-((diethylamino)methyl)-7-methoxy-3-methyl-2-(4-nitrophenyl)-, hydrochloride 8-((Diethylamino)methyl)-7-methoxy-3-methyl-2-(4-nitrophenyl)-4H-1-benzopyran-4-one HCl DJ2981055