硫酸二甲酯

2-nitro-5-(2-piperidin-1-ylethoxy)benzaldehyde

2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile

5-甲氧基-2-硝基苯甲酸

5-methoxy-2-nitrobenzoyl chloride