Synonyms: Thalfinine;Thalphinine (8CI);4H-2,3,7-[1,3]Butadien[1]yl[4]ylidene-15,18-etheno-9,13-metheno-19H-[1,3]dioxolo[4,5-x]pyrido[2,3,4-tu]-1,14,6-benzodioxaazacyclodocosine,5,6,7,8,19a,20,21,22-octahydro-12,23,32,33-tetramethoxy-6,20-dimethyl-,[7S-(7R*,19aR*)]-;[7S-(7R*,19aR*)]-5,6,7,8,19a,20,21,22-Octahydro-12,23,32,33-tetramethoxy-6,20-dimethyl-4H-2,3,7-[1,3]butadien[1]yl[4]ylidene-15,18-etheno-9,13-metheno-19H-[1,3]dioxolo[4,5-x]pyrido[2,3,4-tu]-1,14,6-benzodioxaazacyclodocosine