(1S,4R,5R)-N,5,6,6-tetramethylbicyclo[2.2.1]heptan-5-amine (1R,2R,4S)-N,2,3,3-tetramethylnorbornan-2-amine (1R,2R,4S)-N,2,3,3-tetramethyl-2-norbornanamine methyl-[(1R,2R,4S)-2,3,3-trimethylnorbornan-2-yl]amine Lopac-M-9020 NCGC00015703-01