5-甲基-4-庚烯-3-酮

4-羟基-4-甲基-6-氧代-2-苯基-1,3-环已二酸二乙酯

(2Z)-2-(hydroxymethylidene)-10,13-dimethyl-17-(6-methylheptan-2-yl)-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-one

ethyl 4-bromo-1-methylimidazole-2-carboxylate

癸烷-2,4-二酮