5-amino-1,2,3,4-tetrahydro-6,7-dimethoxy-4-(dimethoxymethyl)quinoline

7,8-dimethoxy-1,5-dihydropyrrolo[4,3,2-de]quinolin-4(3H)-one

2-(4-amino-6,7-dimethoxy-1H-indol-3-yl)acetic acid

ethyl 2-(4-amino-6,7-dimethoxy-1H-indol-3-yl)acetate

3,5-dibromo-4-hydroxy-β-phenethylamine