ML-030 from Cayman Chemical

A triazolothiadiazine that inhibits PDE4 (EC50 = 18.7 nM in a cell-based assay); selectively inhibits PDE4A (IC50 = 6.7 nM) over PDE4B1, PDE4B2, PDE4C1, and PDE4D2 (IC50 = 48.2, 37.2, 452, and 49.2 nM, respectively)