ethyl trans-3-(4-methylphenyl)-4,5-dihydro-5-(2-hydroxyphenyl)-4-isoxazolecarboxylate

丙二酸单乙酯钾盐

对甲苯腈

N-hydroxy-4-methyl-benzenecarboximidoyl chloride

(4-甲基苯甲酰基)乙酸乙酯