2-[5-(3-ethyl-1,3-benzothiazol-2-ylidene)-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]acetic acid

N-(2-羧基乙基)-N-硝基-beta-丙氨酸

N'-(3-aminopropyl)-N'-[(4-methoxyphenyl)methyl]propane-1,3-diamine

4-amino-1-methyl-3,6-dihydro-2H-pyridine-5-carbonitrile