-
-
(3a1S,12aS)-11-(2-(2,4-dinitrophenyl)hydrazono)-12a-ethyl-2,3,3a1,4,5,11,12,12a-octahydro-1H,10H-3a,9b-diazabenzo[a]naphtho[2,1,8-cde]azulen-10-one
-
-
methyl (1α,12bα,E)-α-[(2,4-dinitrophenyl)hydrazono]-1-ethyl-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizine-1-propanoate
-