6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 97%
: Merck
: VWR Chemicals
: Thermo Fisher Scientific
: Lach-ner S.R.O.
: PanReac AppliChem
: Avantor
: Honeywell Chemicals