Chemistry is traditionally divided into organic and inorganic chemistry. HPLC of Formula: C11H13NO2, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 3382-18-1
1,3-Dipolar cycloadditions of 3,4-dihydro-6,7-dimethoxyisoquinolinium salts 3 with 6,7-dialkoxy-3,4-dihydroisoquinolines 1 have been investigated.Dependent on the structure of both the dipolarophiles and the dipoles, cycloadducts of exo- and/or endo type are formed.The exo/endo ratio depends on temperature.
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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H2230N – PubChem