Fig. 2. 2D in Cucurbitane-type triterpenoids from the vines of Momordica charantia and their anti-inflammatory, cytotoxic, and antidiabetic activity

Fig. 2. 2D-NMR correlations of the isolated cucurbitanes. (A) 1H–1H COSY and key HMBC correlations of compounds 1, 4, 5, and 6. (B) Main NOESY correlations of compounds 1, 2, 6, and 7.