1,3-dimethyl-6-[(E)-(methylhydrazinylidene)methyl]pyrimidine-2,4-dione

2-[amino(methyl)amino]ethanesulfonic acid

1-amino-3-tert-butyl-1-methylurea

1-甲基-4-苯基-3-三氟甲基-1H-吡唑-5-胺

1-methyl-3-phenylindazole