LDN-212854 (LDN 212854; LDN212854) is a potent and selective inhibitor of BMP (bone morphogenetic protein) receptor with potential antineoplastic activity.

LY2109761 (LY-2109761; LY 2109761) is a novel, orally bioavailable and selective dual inhibitor of transforming growth factor beta receptor I/II (TGF-β receptor type I/II: TβRI/II) with potential antitumor activity.

SB431542 (SB-431542; SB 431542) is a novel and selective inhibitor of ALK5/TGF-β type I Receptor with potential antitumor activity.

LY364947 (also known as HTS-466284; LY 364947; HTS466284; LY-364947) is a potent, selective and ATP-competitive inhibitor of TGFβR-I with potential antineoplastic activity.

SB525334 (SB-525334; SB 525334) is a potent and selective inhibitor of TGF-β (transforming growth factor-β) receptor I, ALK5 (activin receptor-like kinase) with potential anti-fibrotic activity.

SD-208 (SD208; SD 208; TGF-β RI Kinase Inhibitor V) is an orally bioavailable and selective TGF-βRI (ALK5) inhibitor with potential antitumor activity.

Hesperetin (YSO-2; YSO 2; Hesperitin; Hesperin; Prestwick_908) is a naturally occuring flavonoid with a vareity of biological properties such as antioxidant, neuroprotective and anti-inflammatory activity.

SB505124 (SB-505124; SB 505124) is a novel, potent and selective inhibitor of TGFβR (TGF-β Receptor type I receptor) for ALK4, ALK5 (activin receptor-like kinase) with potential antineoplastic activity.

Pirfenidone (formerly AMR69; S7701, AMR-69; S-7701; trade name: Pirespa; Pirfenex; Deskar, Esbriet) is a potent inhibitor for TGF-β production and TGF-β stimulated collagen production with anti-fibrotic and anti-inflammatory properties.

LDN-193189 (also called LDN193189; DM-3189; DM3189) is a highly potent and selective small molecule inhibitor of the BMP (bone morphogenetic protein) signaling pathway with potential antineoplastic activity.