gramine(1H-indol-3-ylmethyl)dimethylamine3-(Dimethylaminomethyl)indole3-(N,N-Dimethylaminomethyl)indole3-[(Dimethylamino)methyl]indoleDonaxinDonaxineGraminGramineIndol-3-ylmethyldimethylamineN,N-Dimethyl-1H-indole-3-methanaminebeta-Dimethylaminomethylindolebeta-dimethylaminomethylindole