H 2.00 7.5 7.9503 [4, 6] 17.9314 [4, 6] 7.8 7.0 -6.936 2. 2.00 16.917 7.6 f1 (ppm) 7.4 6.5 7.2 6.0 7.0 -6.9367 [1, 3] J. 6.9177 [1, 3] F 5.5 1.00 5.154 5.137 5.120 - 5.103 5.086 -5.069 5.052 L 11 5.0 f1 (ppm) 4.5 4.0 3.01 I - 3.855 15 3.5 Chemical Formula: C12H1404 3.0 .00 1547 [11] 5.1375 [11] 1206 [11] 5. 1037 [11] 5.0866 [11] 5.0697 [11] 5.0525 [11] f1 (ppm) 5.15 5.10 5.05 5.00 400MHz inCDC13 2.5 2.0 1.5 1.213