英文别名(1R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinoline; cis-Atracurium EP Impurity C; Cisatracurium Besilate EP Impurity C; Atracurium Besylate Impurity C; Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-, (1R)- 
