toluene 4-sulfonic acid 2-[4-(1-tert-butyl-5-chloro-6-oxo-1,6-dihydro-pyridazin-4-yloxymethyl)-benzyloxy]-ethyl ester

哒嗪酮

4-氯-2-(1,1-二甲基乙基)-5-羟基-3(2H)-吡嗪酮

4-(羟甲基)苯甲酸甲酯

methyl 4-(2-hydroxyethoxymethyl)benzoate