N-(N-(4-氯苯甲酰基)-N-(4-甲氧基苯基)甘氨酰)-N-甲基甘氨酸

3-(4-联苯基)-N-(2-乙氧基-2-氧代乙基)-N-甲基-3-氧代-1-丙氯化铵

1-methyl-3-(4-nitrophenyl)imidazolidine-2,4-dione

2-[methyl(prop-2-ynyl)amino]acetic acid

2-[but-2-ynyl(methyl)amino]acetic acid