Los frutos contiene equitovenidina, (+)-minovincinina, equitoserpidina, equitoserpina, equitovenilina, 11-metoxiequitovonidina, 11-metoxi-(-)-minovinicinina, equitoserpilina, (-)-vincadiformina, 11-metoxi(-)-vincadiformina and venoterpina.