Hydrastinine (also known as 1,3-Dioxolo(4,5-g)isoquinolin-5-ol, 5,6,7,8-tetrahyro-6-methyl-, 6-methyl-7,8-dihydro-5H-(1,3)dioxolo(4,5-g)isoquinolin-5-ol, 229-533-9, Hydraztinine, 5,6,7,8-Tetrahydro-6-methyl-1,3-dioxolo(4,5-g)isoquinolin-5-ol, 5,6,7,8-tetrahydro-6-methyl-1,3-dioxolo[4,5-g]isoquinolin-5-ol, 1,3-Dioxolo[4,5-g]isoquinolin-5-ol, 5,6,7,8-tetrahydro-6-methyl-, 1,3-DIOXOLO(4,5-g)ISOQUINOLIN-5-OL, 5,6,7,8-TETRAHYDRO-6-METHYL-, Hydrastinin or Spectrum_000377) is a substance of the tetrahydroisoquinoline and methylenedioxyphenethylamine class.