1,2-Dimercaptopropane 1,2-Dithiolpropane 1,2-PROPANEDITHIOL 1-Methyl-1,2-ethanedithiol 108061-07-0 2,3-Dimercaptopropane 4-01-00-02492 (Beilstein Handbook Reference) 61842-55-5 814-67-5 AI3-28941 BRN 1731080 EINECS 212-398-5 FEMA No. 3520 NSC 72085