... DL-glyceraldehyde, glucose, lithium sulfate, 2-mercaptoethanol, NADPH,
quercitin, dimethylsulfoxide, TC-199 medium (M-3769), sorbitol, sorbitol dehydrogenase, NAD, and glutathione reductase were purchased from Sigma...
http://www.molvis.org/molvis/v10/a20/