oxayohimban-16-carboxylic acid, 16,17-didehydro-19-methyl-, methyl ester;
8-Methyl-5,6,7a,8,11a,12,12a,13-octahydro-7H-9-oxa-6a,13-diaza-indeno[2,1-a]anthracene-11-carboxylic acid methyl ester;
3S,15S,19S,20S-tetrahydroalstonine;
ALSTONINE;
Methyl (3ξ,19α,20α)-19-methyl-16,17-didehydro-18-oxayohimban-16-carboxylate;
Tetrahydroalstonine;
3,4,5,6-tetrahydro-alstonin;
Oxayohimban-16-carboxylic acid, 16,17-didehydro-19-methyl-, methyl ester, (3ξ,19α,20α)-;
methyl 19-methyl-16,17-didehydro-18-oxayohimban-16-carboxylate;