Table 2.

Structural variation in various triterpenes isolated from L. siceraria

Sr. No	R1	R2	R3	Sr. No.	R1	R2	R3	R4	R5
1	H	O-(E)-feruloyl	CH2OH	6	H	OH	OH	COOCH3	CH3
2	H	O-(E)-coumaroyl	CH2OH	7	H	OH	H	CH2OH	CH3
3	H	O-(E)-coumaroyl	COOH	8	---	=O	H	COOH	CH3
4	H	OH	CH2OH	9	H	OH	H	CH3	CH3
5	---	=O	COOH	10	H	OH	H	COOCH3	CH3