4H-1-Benzopyran-4-one, 7-methoxy-3-methyl-2-(4-nitrophenyl)-8-(1-piperidinylmethyl)-, hydrochloride 7-Methoxy-3-methyl-2-(4-nitrophenyl)-8-(1-piperidinylmethyl)-4H-1-benzopyran-4-one HCl DJ3100413