Synonyms: Pyridinium, 3-[[4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl]methyl]-1-(1,2-dicarboxyethyl)-5-methyl-, inner salt, 3-[[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl]methyl]-1-(1,2-dicarboxyethyl)-5-methylpyridin-1-ium inner salt, Rupatadine Fumarate Imp. A (EP) as inner salt