5288-58-4 ethyl 7-amino-4',4',6'-trimethyl-2',4-dioxo-2-thioxo-1,2,3,4-tetrahydro-4'H-spiro[pyrano[2,3-d]pyrimidine-5,1'-pyrrolo[3,2,1-ij]quinoline]-6-carboxylate 5574-30-1 (4ar,5ar,13as,15as,15br)-5a-ethoxy-2,4a,5,7,8,13a,15,15a,15b,16-decahydro4,6-methanoindolo[3,2,1-ij]oxepino[2,3,4-de]pyrrolo[2,3-h]quinoline-14-one