The below sentence is correct? If anything wrong please correct. Thanks
In this list some of the user names listed multiple groups. I marked those user names on D column

Question

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In this list are some of the user names. They are listed in multiple groups. I have marked them in column D.

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In this list some of the user names are listed in multiple groups. I have marked those user names in column D.

Answer

"Is the sentence below correct?" This is the right word-order for your question.