(3E,7aR,12S)-7a-(1,1-Dimethyl-2-propenyl)-7a,12-dihydro-6-hydroxy-3-(1H-imidazol-4-ylmethylene)-12-methoxy-1H,5H-imidazo[1',2':1,2]pyrido[2,3-b]indole-2,5(3H)-dione;[7aR-(3E,7aR*,12S*)]-7a-(1,1-Dimethyl-2-propenyl)-7a,12-dihydro-6-hydroxy-3-(1H-imidazol-4-ylmethylene)-12-methoxy-1H,5H-imidazo[1',2':1,2]pyrido[2,3-b]indole-2,5(3H)-dione; 6-O-Demethyloxaline; Meleagrin