英文名称
2-[(2R,4S)-3-butoxy-2-hydroxy-4-(hydroxymethyl)-6-methyl-3,4-dihydro-2H-pyridin-1-yl]-N-[2-[2-[[(1R)-2-[(2R,4S)-3-butoxy-2-hydroxy-4-(hydroxymethyl)-6-methyl-3,4-dihydro-2H-pyridin-1-yl]-1-hydroxyethyl]amino]ethyl-[2-[2-(2-methoxyethoxy)ethoxy]ethyl]amino]ethyl]acetamide