106884-98-4 6-beta,14-Dihydroxy-3,4-dimethoxy-N-methylmorphinan 6-ethylcarbonate BRN 1557764 Morphinan, 6-beta,14-dihydroxy-3,4-dimethoxy-N-methyl-, 6-ethylcarbonate Morphinan-6-beta,14-diol, 3,4-dimethoxy-17-methyl-, 6-ethylcarbonate RAM-330