(3Z)-3-(5-ethyl-2-oxooxolan-3-ylidene)-1,4,4a,5,6,7,8,8a-octahydroquinoxalin-2-one

N,N'-((1R,2R)-cyclohexane-1,2-diyl)bis(5-isopropyl-2-methoxybenzenesulfonamide)

(4aR,8aR)-3-Hydroxy-2,3,4a,5,6,7,8,8a-octahydro-benzo[4,5]imidazo[2,1-b]thiazole-3-carboxylic acid ethyl ester; hydrobromide