... 0.96 (3H, s, H 3 -25), 1.01 (3H, s, H 3 -26), CH 3 -C-OOCOOHCOOHCOOH 3 4810 13 14171920 22 23 242526272829 30 32 Fig. 1: Structure of compound 11.04 (3H, d, J = 7.2 Hz, H 3 -29), ... 0.96 (3H, s) 1 23 26 16.9 (q) 1.01 (3H, s) 27 15.2 (q) 1.08 (3H, s) 28 178.1 (s) - 29 9.8 (q) 1.04 (3H, d, J = 7.2 Hz) 30 178.0 (s) - 31 170.0 (s) - 32 21 .3 (q) 1.95 (3H, s) CH 3 -C-OOCOOHCOOHCOOH1H-1H ... H 3 -29), 1.08 (3H, s, H 3 -27) and 1.24 (3H, s, H 3 -24)], one oxygen bearing a proton ( 4.92, H -3) and one acetoxy proton [ 1.95 (3H, s)]. The 13 C-NMR and DEPT spectrums revealed 32 carbon...