上游原料
methyl 4-hydroxybenzoate; Methyl p-hydroxybenzoatemethyl 4-hydroxy-3-iodobenzoatemethyl 3-cyano-4-hydroxybenzoate3-cyano-4-hydroxybenzoic acidtert-butyl 2-(3-cyano-4-hydroxybenzoyl)-1-hydrazinecarboxylate3-cyano-4-hydroxybenzohydrazide1-(chloromethyl)-4-isopropylbenzene3,5-Dimethoxy-4-hydroxybenzaldehyde; 4-Hydroxy-3,5-dimethoxybenzaldehyde; Syringaldehyde3-cyano-4-hydroxybenzohydrazide4-[(4-isopropylbenzyl)oxy]-3,5-dimethoxybenzaldehyde
