2-Deoxy-3,4:5,6-di-O-isopropylidene-D-arabino-hexosepropane-1,3-diyldithioacetal

2-Deoxy-3,4:5,6-bis-O-(1-Methylethylidene)-D-arabino-hexose Cyclic 1,3-Propanediyl Mercaptal