1703-32-8 5-20-03-00102 (Beilstein Handbook Reference) BRN 1354593 CARBONIC ACID, ETHYL ESTER, ESTER with 1-(4-HYDROXY-3,5-DIMETHOXYBENZOYL)PIPERID Carbonic acid, ethyl ester, ester with 1-(4-hydroxy-3,5-dimethoxybenzoyl)piperidine LG 50,046