1,2-BIS(2-CHLOROETHYLSULFONYL)ETHANE 1,2-Bis((2-chloroethyl)sulfonyl)ethane 3944-87-4 4-01-00-02453 (Beilstein Handbook Reference) AI3-17985 BRN 1793331 Ethane, 1,2-bis((2-chloroethyl)sulfonyl)- HSDB 2540 NSC 78780