Organic Chemistry
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Give an approximate chemical shift for each indicated carbon in the molecule below.
C1: 110 ppm; C2: 40 ppm; C3: 35 ppm
C1: 25 ppm; C2: 35 ppm; C3: 110 ppm
C1: 45 ppm; C2: 35 ppm; C3: 40 ppm
C1: 70 ppm; C2: 130 ppm; C3: 25 ppm