(-)-Blebbistatin. (-)-Blebbistatin, A selective non-muscle myosin II ATPases inhibitor, Synonyms: 1,G2,G3,G3a-Gtetrahydro-G3aS-Ghydroxy-G6-Gmethyl-G1-Gphenyl-G4H-GPyrrolo[2,G3-Gb]quinolin-G4-Gone; (S)-Blebbistatin, CAS Number: 856925-71-8, Purity: G98% by HPLC, 1 mg