2H-4,16a-Epoxybenzo[7,8]fluoreno[2,1-b]quinolizine,cevane-3,4,6,7,14,15,16,20-octol deriv.; 6a-Hydroxygermine;Cevane-3b,4b,6a,7a,14,15a,16b,20-octol, 4,9-epoxy- (8CI);Cevane-3,4,6,7,14,15,16,20-octol,4,9-epoxy-, (3b,4a,6a,7a,15a,16b)- (9CI); Protoverine (6CI,7CI); 

Protoverine 6,7-diacetate15-[(-)-(2R)-2-methylbutyrate];Desatrine (7CI);Cevane-3,4,6,7,14,15,16,20-octol,4,9-epoxy-, 6,7-diacetate 15-(2-methylbutanoate), [3b,4a,6a,7a,15a(R),16b]-; Protoverine, diacetate 15-(2-methylbutyrate) (6CI);Cevane-3,4,6,7,14,15,16,20-octol,4,9-epoxy-, 6,7-diacetate 15-[(2R)-2-methylbutanoate], (3b,4a,6a,7a,15a,16b)- (9CI); Cevane-3b,4b,6a,7a,14,15a,16b,20-octol, 4,9-epoxy-, 6,7-diacetate 15-((-)-2-methylbutyrate) (8CI);2H-4,16a-Epoxybenzo[7,8]fluoreno[2,1-b]quinolizine,cevane-3,4,6,7,14,15,16,20-octol deriv.; 

Cevane-3,4,6,7,14,15,16,20-octol,4,9-epoxy-, hydrochloride, (3b,4a,6a,7a,15a,16b)- (9CI); Protoverine hydrochloride;2H-4,16a-Epoxybenzo[7,8]fluoreno[2,1-b]quinolizine,cevane-3,4,6,7,14,15,16,20-octol deriv.;