上游原料
Meldrum's acid; 2,2-dimethyl-1,3-dioxane-4,6-dione；Malonic acid cyclic isopropylidene ester3-amino-2-thiophenecarboxylic acid methyl ester; methyl 3-amino-2-thiophenecarboxylate1-methyl-1H-imidazole3-thiophenylamine; 3-thiophenamine5-[(ethyloxy)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione2,2-dimethyl-5-[(3-thiophenylamino)methylidene]-1,3-dioxane-4,6-dionethieno[3,2-b]pyridin-7(4H)-one7-chlorothieno[3,2-b]pyridine7-chloro-2-iodothieno[3,2-b]pyridine7-chloro-2-(1-methyl-1H-imidazol-2-yl)thieno[3,2-b]pyridine2-methyl-1H-indol-5-ylamine; 2-methyl-1H-indol-5-amine
