Table 1.

Structures of compounds H1–H32.

Compound	R1	R2	R3	R4	R5	R6
H1	H	H	H	H	OCH3	H
H2	CH3	H	H	H	OCH3	H
H3	H	CH3	H	H	OCH3	H
H4	H	H	CH3	H	OCH3	H
H5	H	H	CH2CH3	H	OCH3	H
H6	H	H	OCH3	H	OCH3	H
H7	H	OCH3	OCH3	OCH3	OCH3	F
H8	H	H	OCH2CH3	H	OCH3	H
H9	F	H	H	H	OCH3	H
H10	H	F	H	H	OCH3	H
H11	H	H	F	H	OCH3	H
H12	H	F	H	F	OCH3	H
H13	H	Cl	H	H	OCH3	H
H14	H	H	Cl	H	OCH3	H
H15	H	Cl	Cl	H	OCH3	H
H16	H	H	Br	H	OCH3	H
H17	H	H	H	H	H	OCH3
H18	CH3	H	H	H	H	OCH3
H19	H	CH3	H	H	H	OCH3
H20	H	H	CH3	H	H	OCH3
H21	H	H	CH2CH3	H	H	OCH3
H22	H	H	OCH3	H	H	OCH3
H23	H	OCH3	OCH3	OCH3	F	OCH3
H24	H	H	OCH2CH3	H	H	OCH3
H25	F	H	H	H	H	OCH3
H26	H	F	H	H	H	OCH3
H27	H	H	F	H	H	OCH3
H28	H	F	H	F	H	OCH3
H29	H	Cl	H	H	H	OCH3
H30	H	H	Cl	H	H	OCH3
H31	H	Cl	Cl	H	H	OCH3
H32	H	H	Br	H	H	OCH3