4-{[(2-hydroxyethyl)(methyl)amino]methyl}benzaldehyde (6-tert-butylthieno[2,3-d]pyrimidin-4-yl)hydrazone
4-[(dimethylamino)methyl]benzaldehyde (6-tert-butylthieno[2,3-d]pyrimidin-4-yl)hydrazone
4-{[(6-tert-butylthieno[2,3-d]pyrimidin-4-yl)hydrazono]methyl}-N,N-dimethylbenzenesulfonamide
benzaldehyde (6-tert-butylthieno[2,3-d]pyrimidin-4-yl)hydrazone
4-hydroxybenzaldehyde (6-tert-butylthieno[2,3-d]pyrimidin-4-yl)hydrazone