The molecule is a doubly-charged organic cation arising from protonation of the two tertiary amino functions of methiothepin. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a methiothepin.
1-methyl-4-(3-methylsulfanyl-5,6-dihydrobenzo[b][1]benzothiepin-5-yl)piperazine-1,4-diium