Spiro[3H-indole-3,1′(5′H)-indolizine]-7′-acetic acid, 6′-ethenyl-1,2,2′,3′,6′,7′,8′,8′a-octahydro-α-(methoxymethylene)-2-oxo-, methyl ester, (αE,1′R,6′R,7′S,8′aS)-
Corynoxan-16-carboxylic acid, 16,17,18,19-tetradehydro-17-methoxy-2-oxo-, methyl ester, (7β,16E,20α)-
Corynoxeine
Spiro[3H-indole-3,1′(5′H)-indolizine]-7′-acetic acid, 6′-ethenyl-1,2,2′,3′,6′,7′,8′,8′a-octahydro-α-(methoxymethylene)-2-oxo-, methyl ester, [1′R-[1′α,6′β,7′α(E),8′aβ]]-
Δ18-Rhyncophylline
δ18-Rhynchophylline
Corynoxein