– GNE-064 (compound 5) is a selective, oral and highly soluble inhibitor of the SMARCA4, SMARCA2 and PBRM1 bromodomains 5. GNE-064 inhibits SMARCA4 with an IC50 of 0.035 ?M and inhibits SMARCA2 with an EC50 of 0.10 ?M. GNE-064 possess Kds with 0.01, 0.016, 0.018 and 0.049 ?M for SMARCA4, SMARCA2, PBRM1 bromodomains 5 and PBRM1 bromodomains 2, repectively. GNE-064 can be used as a chemical probe for the research of drug synthesis.