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Posted: **Sun Jul 10, 2022 4:08 pm**

: What Is The Stereochemistry Of The Labeled Asymmetric Carbon Atoms In The Following Molecule Dia 2 1r 2 R 1s 1 (21.42 KiB) Viewed 57 times

Please explain why the configuration is 1S, 2S and not 1R, 2S?How can I always be sure what the configuration would be for otherquestions?
What is the stereochemistry of the labeled asymmetric carbon atoms in the following molecule? DiA! ....... 2 1R, 2 R 1S, 2 R X 1R, 2 S 1S, 2 S