current are made of inorganic 1000
sn_4 is not inorganic_substance. inorganic_compound is not compound. sn_2 is not inorganic_substance. nh2 is not inorganic_substance. nh4 is not inorganic_substance. carbide is not inorganic_compound. aso4_3 is inorganic_substance. nh4 is inorganic_substance. sn_4 is inorganic_substance. sn_2 is inorganic_substance.