The story
From iso- + liensinine.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The alkaloid (1R)-1-[[4-hydroxy-3-[[(1R)-6-methoxy-1-[(4-methoxyphenyl)methyl]-2-methyl-3,4-dihydro-1H-isoquinolin-7-yl]oxy]phenyl]methyl]-6-methoxy-2-methyl-3,4-dihydro-1H-isoquinolin-7-ol Full definition →
From iso- + liensinine.
Etymology from Wiktionary, CC BY-SA 4.0.