| Synonyms: | Corynoxine B, 99.5%;Corynoxine B;7-Isocorynoxine;(7R,16E)-17-Methoxy-2-oxo-20betaH-corynox-16-en-16-carbonsae;Spiro[3H-indole-3,1'(5'H)-indolizine]-7'-acetic acid, 6'-ethyl-1,2,2',3',6',7',8',8'a-octahydro-α-(methoxymethylene)-2-oxo-, methyl ester, (αE,1'R,6'S,7'S,8'aS)-;Corynoxine B-RM;(E)-methyl 2-((1'R,6'S,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 |