2-(7-Hydroxy-3-methyl-1,2,3,3a,4,5,6,7-octahydro-3,7a-diaza-cyclohepta[jk]fluoren-5-yl)-but-2-enal 3,7a-diazacyclohepta[jk]fluorene-5-acetaldehyde, alpha-ethylidene-1,2,3,3a,4,5,6,7-octahydro-7-hydroxy-3-methyl-, (alphaE,3aS,5R,7S)- 56519-07-4 Akagerine InChI=1/C20H24N2O2/c1-3-13(12-23)14-10-18-20-16(8-9-21(18)2)15-6-4-5-7-17(15)22(20)19(24)11-14/h3-7,12,14,18-19,24H,8-11H2,1-2H3/b13-3-/t14-,18+,19+/m1/s rel-(2E)-2-[(3aR,5S,7R)-7-hydroxy-3-methyl-1,2,3,3a,4,5,6,7-octahydro-3,7a-diazacyclohepta[1,2,3-jk]fluoren-5-yl]but-2-enal