Table 2.

Chemical compounds isolated and characterized from Euclea natalensis root bark.

No.	Chemical Compound	Chemical Formula	References
	Pentacyclic terpenoids
1	Betulin	CH30H50O2	[46,52,53]
2	Lupeol	C30H50O	[46,50,52,53]
14	20(29)-lupene-3β-isoferulate	C40H58O4	[52,53]
16	β-sitosterol	C29H50O	[53]
	Naphthoquinone
3	Isodiospyrin	C22H14O6	[47,54,55]
4	Mamegakinone	C22H14O6	[47,50,54,55]
5	Natalenone	C22H16O6	[48,49]
6	8′-hydroxydiospyrin	C22H14O7	[49]
7	Euclanone	C22H14O7	[49]
8	Galpinone	C33H20O9	[49]
9	Methylnaphthazarin	C11H8O4	[49]
10	Neodiospyrin	C22H14O6	[49,54,55]
11	Diospyrin	C22H14O6	[50,54,55]
12	7-methyljuglone	C11H8O3	[50,54,55]
13	Shinanolone	C11H12O3	[52,53,54,55]
15	Octahydroeuclein	C22H22O6	[52,53]
17	5-hydroxy-4-methoxy-2-nathaldehyde	C12H10O3	[54]