1703-37-3 5-23-01-00125 (Beilstein Handbook Reference) BRN 0711747 CARBONIC ACID, ETHYL ESTER, ESTER with 1-(4-HYDROXY-3,5-DIMETHOXYBENZOYL)-4-METH Carbonic acid, ethyl ester, ester with 1-(4-hydroxy-3,5-dimethoxybenzoyl)-4-methylpiperazine LG 50,056