Product introduce: 1h-Inden-2-Amine, 5,6-Diethyl-2,3-dihydro-and hydrochloride (1: 1) are intermediates for the synthesis of Indazaterol. The drug is mainly used in pharmaceutical and chemical industries. 1h-Inden-2-Amine, 5,6-Diethyl-2,3-dihydro- It is also used as a pharmaceutical intermediate.