醋酸羟丙基甲基酞酸酯
hydroxypropyl methylcellulose acetate phthalate
3-羟基丁酸酯与3-羟基戊酸酯共聚物
poly 3-hydroxybutyrate-co-3-hydroxyvalerate
4-(2-乙酰氧基苯甲酰氨基)丁酸酯类
4-(2-acetoxybenzoylamino) butyrate derivatives
4-(对-硝基苯基)丁酸酯
4-(p-nitrophenyl)butyric ester
4-氯－3-羟基丁酸酯
4-chloro-3-hydroxbutanoate esters
β-羟基丁酸酯-β-羟基戊酸酯共聚物
beach ore
poly(β-hydroxybutyrate-co-β-hydroxyvalerate
对氨基甲氧基基丁酸
4-p-anisamidobutyric acid