Synthesis of benzyl fumarate by one step from maleic anhydride under the present of complex catalyst chlorination of bis-( benzylidene) hydrazine 顺酐一步法复合催化合成富马酸二苄酯二苄烯肼的氯化反应
Studies on the inhibitive effect of maleic hydrazine on the growth of summer shoots of citrus trees 马来酰肼(MH)控制柑桔夏梢的研究