28125-84-0 5-22-01-00323 (Beilstein Handbook Reference) 5497-43-8 Arecaidine-ethyl ester BRN 0125290 Ethyl 1-methyl-1,2,5,6-tetrahydronicotinate NICOTINIC ACID, 1,2,5,6-TETRAHYDRO-1-METHYL-, ETHYL ESTER