Table 8.

Hydroxycinnamic acid derivatives.

Compound	R1	R2	R3	R4	R5	MW
73	H	OH	OH	H	H	180
78	H	OCH3	H	OH	H	194
82	H	H	OH	H	H	164
85	H	OCH3	OCH3	OCH3	H	238
89	H	OCH3	OH	OCH3	H	224
91	H	H	H	H	H	148