OICR-0547 (OICR 0547; OICR0547), an OICR-9429 analog, is an antagonist of the protein protein interaction between WDR5 and the peptide regions of MLL and Histone 3 with potential antineoplastic activity.

GW788388 (GW-788388; GW 788388) is an inhibitor of ALK5/TGF-β type II receptor with potential antifibrotic activity.

ML347 (formerly known as ML-347; LDN193719; ML 347; LDN-193719) is a novel, highly potent and selective inhibitor of BMP (bone morphogenetic protein) receptor with potential anticancer activity.

RepSox (also called E-616452, SJN-2511; E 616452; SJN 2511, and ALK5 Inhibitor II) is a potent, cell permeable, and selective inhibitor of the TGFβR-1/ALK5 (transforming growth factor-beta type I receptor, ALK5) with important biological activity.

Kartogenin (abbreviated as KGN) is a small heterocyclic compound acting as an activator/inducer of the smad4/smad5 pathway.

LDN-214117 (LDN 214117; LDN214117) is a novel, potent and selective ALK2 (BMP type I receptor kinase) inhibitor with potential anticancer activity.

LDN193189 4HCl (LDN-193189; DM-3189; LDN 193189; DM 3189), the tetrahydrochloride salt of LDN193189, is a highly potent and selective inhibitor of the BMP (bone morphogenetic protein) signaling pathway with potential anticancer activity.

Galunisertib (formerly known as LY2157299; LY-2157299) is a selective, ATP-mimetic, and orally bioavailable small molecule inhibitor of the TGFβ receptor I (TβRI) with potential anticancer activity.

K02288 (K-02288; K 02288) is a potent, 2-aminopyridine-based and selective small molecule inhibitor of the BMP (bone morphogenetic protein) signaling pathway with the potential to treat the progressively debilitating musculoskeletal disease fibrodysplasia ossificans progressiva (FOP).

DMH1 (DMH-1; DMH 1) is a selective and 2nd-generation small molecule inhibitor of BMP (bone morphogenetic protein) receptor inhibitor with potential antitumor activity.