liarozole liarozole liarozole is a retinoic acid metabolism-blocking drug and aromatase inhibitor. liarozole names preferred iupac name 6--1h-1,3-benzimidazole identifiers cas number 115575-11-6 y 3d model (jsmol) interactive image chemspider 54664 iuphar/bps 5210 pubchem cid 60652 unii k0q29tgv9y y comptox dashboard (epa) dtxsid9048277 inchi inchi=1s/c17h13cln4/c18-14-3-1-2-12(8-14)17(22-7-6-19-11-22)13-4-5-15-16(9-13)21-10-20-15/h1-11,17h,(h,20,21)key: ugfhipbxiwjxna-uhfffaoysa-ninchi=1/c17h13cln4/c18-14-3-1-2-12(8-14)17(22-7-6-19-11-22)13-4-5-15-16(9-13)21-10-20-15/h1-11,17h,(h,20,21)key: ugfhipbxiwjxna-uhfffaoyav smiles c1=cc(=cc(=c1)cl)c(c2=cc3=c(c=c2)n=cn3)n4c=cn=c4 properties chemical formula c17h13cln4 molar mass 308.77 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references