Synonyms: (13E)-7-Oxocass-13(15)-ene-16,19-dioic acid 16-[2-(methylamino)ethyl]19-methyl ester;(1S,4bα,7E,8aβ,10aα)-Tetradecahydro-1α,4aβ,8α-trimethyl-7-[[2-(methylamino)ethoxycarbonyl]methylene]-9-oxophenanthrene-1β-carboxylic acid methyl ester;[1S,4bα,7E,8aβ,10aα]-Tetradecahydro-1α,4aβ,8α-trimethyl-7-[2-[2-(methylamino)ethoxy]-2-oxoethylidene]-9-oxo-1β-phenanthrenecarboxylic acid methyl ester;Norcassamine