| abstract |
A reduced coenzyme Q 10 derivative represented by formula (1), n n n n n n n n n n wherein R 1 and R 2 are each independently H or an alkoxycarbonyl group represented by formula (2), n n n n n n n n n n and at least one of them is an alkoxycarbonyl group represented by the formula (2); in the formula (2), R 3 is an optionally substituted linear, branched, or cyclic alkyl group having 1 to 20 carbon atoms, an optionally substituted aryl group having 6 to 20 carbon atoms, or an optionally substituted heteroaryl group having 4 to 20 carbon atoms, and when R 3 is a group substituted with polyethylene glycol, the molecular weight of the polyethylene glycol is not more than 300. |