What are the configurations for the asymmetric carbons in the following molecule NO₂ Carbon 2 H3COH Carbon 3 H3C- Carbon 4 2S, 3S,4R 2R, 3R, 4S 2S, 3R, 4S 2S, 3R, 4R 2S, 3S, 4S -Br HO-CH3 CH₂CH₂

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