1-(2-(Methylethylamino)ethyl)-5,6-dihydroxyphenanthrene hydrobromide 3,4-Phenanthrenediol, 8-(2-(ethylmethylamino)ethyl)-, hydrobromide 41223-52-3 8-(2-(Ethylmethylamino)ethyl)-3,4-phenanthrenediol hydrobromide