calcium (R)-2-hydroxypropionate Calcium D-lactate Lactic acid, calcium salt (2:1), D- (8CI) Propanoic acid, 2-hydroxy-, calcium salt (2:1), (2R)- Propanoic acid, 2-hydroxy-, calcium salt (2:1), (R)- Bis[(+)-D-lactic acid]calcium salt Bis[[R,(+)]-2-hydroxypropionic acid]calcium salt