3-methyl-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one

2,3-dihydro-3,3-dihydroxymethylpyrrolo[2,1-b]quinazolin-9(1H)-one

2,3-dihydro-3-ethoxymethyl-3-hydroxymethylpyrrolo[2,1-b]quinazolin-9(1H)-one

3-methylidene-1,2-dihydropyrrolo[2,1-b]quinazolin-9-one

Acetic acid 3-dimethylaminomethyl-9-oxo-1,2,3,9-tetrahydro-pyrrolo[2,1-b]quinazolin-3-ylmethyl ester