p. 1931 - 1936
(2007/10/03)p. 4557 - 4560
(2007/10/02)tetrahydroalstonine
(7aR,8S,11aS,12aS)-8-Methyl-7-oxo-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
speciophylline
uncarine F
Pteropodine