2-(3,4,5-trimethylphenoxy)acetic acid

[(2-氨基-5-乙氧基苯基)硫代]-乙酸

2-[(4-氨基-1,6-二氢-6-氧代-2-嘧啶)硫代]-乙酸

(2,2,2-三氟乙氧基)乙酸

2-[ethyl(2-hydroxyethyl)amino]acetic acid