What is the IUPAC name of picric acid?

1. m - Nirtobenzoic acid
2. 2, 4, 6 - Trinitrophenol
3. 2, 4-Dinitrophenol
4. 2, 3 - Dinitrophenol

Asked in: MHT CET 2022 (07 Aug Shift 1)

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