Click on all structures that are identical to the first (leftmost). If no structure qualifies, submit your answer without selecting any structure. OCH3 H3CO CI F 'Br FI CI Br Bri H3CO F Ch H3CO Br F I A: B: : H H H_H C CH2OH HO H Assign R/S configurations to the labeled chiral centers in this carbohydrate molecule. [Review Topics] [References] Specify the configurations (R or S) of chiral centers a and b in the chem3D structure below. Carbon a: Carbon b: F CI B V Submit Answer b 225 Retry Entire Group HE TEL ball & stick v JEN CA H C + labels 9 more group attempts remaining