2-(4-chlorophenyl)-3-ethyl-5-oxo-pyridazine-4-carboxylic acid
2-(4-chlorophenyl)-3-ethyl-5-oxo-pyridazine-4-carboxylic acid
2-(4-chlorophenyl)-3-ethyl-5-oxo-pyridazine-4-carboxylic acid
"2-(4-氯苯基)-3-乙基-5-氧代-2,5-二氢哒嗪-4-羧酸"
"2-(4-氯苯基)-3-乙基-5-氧代-2,5-二氢哒嗪-4-羧酸"
"2-(4-氯苯基)-3-乙基-5-氧代-2,5-二氢哒嗪-4-羧酸"
"2-(4-氯苯基)-3-乙基-5-氧代-2,5-二氢哒嗪-4-羧酸"