Alanine is shown below as a Fischer projection. Identify the stereochemistry configuration. H H- HN- H Which Fischer structures below have the same stereochemistry configuration? A C COOH D CH3 CH3 CH3 COOH -NH COOH -NH H- H- B NH CH3 E R S -COOH COOH -CH3 NH CH3 HN -H H3C COOH F COOH -H NH ABC