Rhyncophylline; 7-Epimer, 18,19-didehydro, β-N-oxide 
AlkaPlorer id: AK312484

Rhyncophylline; 7-Epimer, demethoxy, 16,17-dihydro, N-oxide 
AlkaPlorer id: AK312490

Rhyncophylline; β-N-Oxide 
AlkaPlorer id: AK312491

Rotundifoline; 7-Epimer, 18,19-didehydro, Me ether, N4-oxide 
AlkaPlorer id: AK312712

Rotundifoline; 7-Epimer, Me ether, N-oxide 
AlkaPlorer id: AK312714

Rotundifoline; β-Nb-Oxide 
AlkaPlorer id: AK312715

UNPD89862
AlkaPlorer id: AK358858

(3S,6'R,7'S,8'aS)-7'-(1,3-dimethoxy-3-oxoprop-1-en-2-yl)-6'-ethyl-2-oxo-3',5',6',7',8',8'a-hexahydro-1H,2'H-spiro[indole-3,1'-indolizin]-4'-ium-4'-olate
AlkaPlorer id: AK539967

(3R,6'R,7'S,8'aS)-7'-(1,3-dimethoxy-3-oxoprop-1-en-2-yl)-6'-ethyl-2-oxo-3',5',6',7',8',8'a-hexahydro-1H,2'H-spiro[indole-3,1'-indolizin]-4'-ium-4'-olate
AlkaPlorer id: AK539968

(3S,6'R,7'S,8'aS)-7'-(1,3-dimethoxy-3-oxoprop-1-en-2-yl)-6'-ethyl-2-oxo-3',5',6',7',8',8'a-hexahydro-1H,2'H-spiro[indole-3,1'-indolizin]-4'-ium-4'-olate
AlkaPlorer id: AK539969