2-(1,3-dithiolan-2-yl)pentan-3-one 3-pentanone, 2-(1,3-dithiolan-2-yl)- InChI=1/C8H14OS2/c1-3-7(9)6(2)8-10-4-5-11-8/h6,8H,3-5H2,1-2H