135744-34-2 26257-13-6 996-23-6 Acetic acid, hydroxy-, calcium salt (2:1) Calcium bis(hydroxyacetate) Calcium glycolate EINECS 213-629-2 Glycolic acid, calcium salt Glycolic acid, calcium salt (2:1) Glycolic acid, calcium salt (2:1) (8CI) NSC 220251