(2R)-propane-1,2-diol 4254-14-2 CHEBI:28972 HP3 ZINC00895318 (R)-1,2-Propanediol (R)-Propane-1,2-diol (R)-Propylene glycol C02912 (R)-(−)-Propylene glycerol (R)-(−)-Propylene glycol 540242_ALDRICH R-1,2-PROPANEDIOL 82284_FLUKA 2,3-PROPANDIOL NSC90793 PGR (R)-(−)-1,2-Propanediol