2,3-Naphthalenediol, 6-(dimethylamino)-5,6,7,8-tetrahydro- 2-(N,N-dimethylamino)-6,7-dihydroxytetralin 2-(NN-Dimethyl)amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene 6,7-Dihydroxy-2-dimethylaminotetralin 66543-77-9 TL 99 TL-99