Doubt from IUPAC

What should be the iupac nomenclature of this compound

ques45

@Bhuvanitha_2020, @Samarth_2020 ,@Abhishek_2020_5 , @Shwetanshu_2018 sir

I think 2-hydroxy-propan-1,2,3-oic acid

The answer is 3 hydroxy 3 carboxy pentane1,5dioic acid

Anyone?

Sorry for late reply.
Firstly, select the longest carbon chain as the parent chain.

Since carbons of carboxylic group are involved in the parent chain, they will be used as suffixes (oic acid type).
The substitutes must be arranged according to alphabetical order

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Ok no problem ,thanks bhai

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Isn't it should be 2-Hydroxy-propane-1,2,3-tricarboxylic acid