(2R,3S)-2,3-bis(chloromethyl)-1,4-dithiane 1,4-dithiane, 2,3-bis(chloromethyl)-, (2R,3S)- InChI=1/C6H10Cl2S2/c7-3-5-6(4-8)10-2-1-9-5/h5-6H,1-4H2/t5-,6