p. 7440 - 7443
(2017/06/13)p. 3645 - 3661
(2007/10/04)(7aS,8S,10S,11S,11aR,12aS)-10-Hydroxy-8-methyl-5,6,7a,8,10,11,11a,12,12a,13-decahydro-7H-9-oxa-6a,13-diaza-indeno[2,1-a]anthracene-11-carboxylic acid methyl ester
(7aS,8S,10R,11S,11aR,12aS)-10-Hydroxy-8-methyl-5,6,7a,8,10,11,11a,12,12a,13-decahydro-7H-9-oxa-6a,13-diaza-indeno[2,1-a]anthracene-11-carboxylic acid methyl ester
(7aS,8S,11S,11aR,12aS)-10-Hydroxy-8-methyl-5,6,7a,8,10,11,11a,12,12a,13-decahydro-7H-9-oxa-6a,13-diaza-indeno[2,1-a]anthracene-11-carboxylic acid methyl ester