4-(4-甲基苯基)-3-氨基硫脲

巯基乙酸

N-甲基苯胺

4-Chloro-3,9-dimethyl-9H-pyrazolo[3,4-b]quinoline

4,9-dihydro-3,9-dimethyl-4-oxo-1H-pyrazolo<3,4-b>quinoline