859635 DHA dehydroascorbic acid 333 2586730 DHAA dehydroascorbic acid 123 835721 DAA dehydroascorbic acid 8 2567516 DAsA dehydroascorbic acid 5 106773 DA dehydroascorbic acid 3 1918931 DehAsA dehydroascorbic acid 3 2567440 DASC dehydroascorbic acid 2 2936195 DHAsA dehydroascorbic acid 2 2563488 DAAH dehydroascorbic acid 1 1918934 DehAsc dehydroascorbic acid 1