Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

氯苯和邻苯二甲酸始原料，经四步工合成马吲哚，总收23．4％。

Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.

邻苯二甲酸原料,经硝化、脱水、肼化、还原等步骤合成了3-氨基邻苯二甲酰肼。