Rhynchophylline

Synonyms: (7β,16E,20α)-16,17-Didehydro-17-methoxy-2-oxo-corynoxan-16-carboxylic Acid Methyl Ester, Mitrinermin, Mitrinermine, NSC 21731, Rhynchophyllin, [1'R-[1'α,6'β,7'α(E),8'aβ]]-6'-Ethyl-1,2,2',3',6',7',8',8'a-octahydro-α-(methoxymethylene)-2-oxo-spiro[3H-indole-3,1'(5'H)-indolizine]-7'-acetic Acid Methyl Ester, (αE,1'R,6'R,7'S,8'aS)-6'-ethyl-1,2,2',3',6',7',8',8'a-Octahydro-α-(methoxymethylene)-2-oxo-spiro[3H-indole-3,1'(5'H)-indolizine]-7'-acetic Acid Methyl Ester, (E)-Methyl 2-((1'R,6'R,7'S,8a'S)-6'-Ethyl-2-oxo-3',5',6',7',8',8a'-hexahydro-2'H-spiro[indoline-3,1'-indolizin]-7'-yl)-3-methoxyacrylate