Chemistry is traditionally divided into organic and inorganic chemistry. HPLC of Formula: C15H19NO4, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 166591-85-1
Polishing agent, polishing method and additive liquid for polishing
A polishing agent includes a particle of a metal oxide, a water-soluble polyamide, an organic acid and water. The water-soluble polyamide has a tertiary amino group and/or an oxyalkylene chain in a molecule thereof. The polishing agent has a pH of 7 or less.
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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem