A proton NMR spectrum recorded in a 300 MHz NMR instrument exhibited a broad singlet at...
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A proton NMR spectrum recorded in a 300 MHz NMR instrument exhibited a broad singlet at 12.48 ppm, two triplets at 3.12 and 0.94 ppm, respectively, and a pentet (quintet) at 1.78 ppm. The product is: Option 1 Option 3 COOH COOH COOH x HC Option 2 Option 4 COOH COOH COOH A proton NMR spectrum recorded in a 300 MHz NMR instrument exhibited a broad singlet at 12.48 ppm, two triplets at 3.12 and 0.94 ppm, respectively, and a pentet (quintet) at 1.78 ppm. The product is: Option 1 Option 3 COOH COOH COOH x HC Option 2 Option 4 COOH COOH COOH
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