4-Aminobutanal 4-Aminobutyraldehyde 4-amino-butyraldehyde 4390-05-0 BMD Butanal, 4-amino- Butanal, 4-amino- (9CI) Butyraldehyde, 4-amino- Butyraldehyde, 4-amino- (6CI,7CI,8CI) gamma-Aminobutyraldehyde