"1,2,3,4-Tetrahydro-2,7-naphthyridine hydrochloride "
"1,2,3,4-Tetrahydro-2,7-naphthyridine hydrochloride "
"1,2,3,4-Tetrahydro-2,7-naphthyridine hydrochloride "
"1,2,3,4-Tetrahydro-2,7-naphthyridine hydrochloride "
"1,2,3,4-Tetrahydro-2,7-naphthyridine hydrochloride"