bimakalim bimakalim bimakalim is a potassium channel opener. bimakalim names preferred iupac name 2,2-dimethyl-4-(2-oxopyridin-1(2h)-yl)-2h-1-benzopyran-6-carbonitrile identifiers cas number 117545-11-6 y 3d model (jsmol) interactive image chembl chembl12552 chemspider 54683 pubchem cid 60674 unii 4mp5gr4h9l y comptox dashboard (epa) dtxsid40151803 inchi inchi=1s/c17h14n2o2/c1-17(2)10-14(19-8-4-3-5-16(19)20)13-9-12(11-18)6-7-15(13)21-17/h3-10h,1-2h3key: jtvskaswnroqqf-uhfffaoysa-n smiles cc1(c=c(c2cc(ccc2o1)c#n)n3ccccc3=o)c properties chemical formula c17h14n2o2 molar mass 278.311 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references