Table 1

Compounds	X	R
Original Compound	H	H
1	OCH₃	H
2	CH₃	H
3	H	H
4	F	H
5	NO₂	H
6	OCH₃	CH₃
7	CH₃	CH₃
8	H	CH₃
9	F	CH₃
10	NO₂	CH₃

Table 1: Adding substituted and conjugate acid to 4-substituted benzaldehyde methyl ether.