Drug Gene Type Source N-Hydroxy-4-phenylbutanamide HDAC2 Text_Mining(Inhibitor) TTD N-Hydroxy-4-phenylbutanamide HDAC6 Text_Mining(Inhibitor) TTD N-Hydroxy-4-phenylbutanamide HDAC6 Inhibition=None(Unspecified) D4 ChEMBL