(R)-2,3-DIHYDROXYPROPANOIC ACID HEMICALCIUM SALT DIHYDRATE;D-Glyceric acid calcium salt dihydrate 99%;D-2,3-DIHYDROXYPROPANOIC ACID HEMICALCIUM SALT DIHYDRATE;D-GLYCERIC ACID CALCIUM SALT DIHYDRATE;D(+)-GLYCERIC ACID HEMICALCIUM SALT DIHYDRATE;calcium di(L-glycerate) dihydrate