[Answer D IR data # 17400 g-rdor estes carbonyl group po present ocup + 1190cm s Booont s co bond of ester =c-o bund ols ester 3 IH NMR data goccup 0.90( t, 3.08 mm = 3H) 5 (cin fethe group 1.20 (Sextet, 2-230m= 24) abb le 1.30 (quintet, 2.13 mm= 2H) a ce-l che 2.02 ( Singlet, 3.00mm = 3H) 3 4:02( Esiplel, 2comm= 2H) 3 echto Structure -co-che-Cych 2-02(5) L oogao(t) 1.20 (sextet) 1.300 quintet) 4002( triplet)