3H-2-Benzopyran-3-one, 1,4-dihydro-1-methyl-4-(4-methyl-1-piperazinyl)-, dihydrochloride, cis,trans- DJ2982100 cis,trans-1,4-Dihydro-1-methyl-4-(4-methyl-1-piperazinyl)-3H-2-benzopyran-3-one 2HCl