1H-AZEPINIUM, HEXAHYDRO-1-(2-METHYL-5-1H-HEXAHYDROAZEPINO-2,4-PENTADIENYLIDENE)- 1H-Azepinium, hexahydro-1-(2-methyl-5-1H-hexahydroazepino-2,4-pentadienylidene)-, chloride, sesquihydrate 64058-24-8