3563-36-8 Ethane, 1,2-bis(2-chloro-ethylthio)- Ethane, 1,2-bis[(2-chloroethyl)mercapto]- Ethane, 1,2-bis[(2-chloroethyl)thio- Ethane, 1,2-bis[(2-chloroethyl)thio]- HSM 1 NSC30025 SM 1 SSM Sesqui-mustard Sesqui-mustard Q Sesquisulfur Mustard TL 86 WLN: G2S2S2G