1H-Indolo(3,2,1-de)pyrido(3,2,1-ij)(1,5)-naphthyridine-12-carboxylic acid, 13a-ethyl-2,3,5,6,13a,13b-hexahydro-, methoxymethyl ester 78101-34-5 BRN 5642886 Eburnamenine-14-carboxylic acid, methoxymethyl ester, (3alpha,16alpha)- MR 711 MR-711 Methylenemethoxyapovincaminate