etofylline nicotinate etofylline nicotinate etofylline nicotinate is a vasodilator. etofylline nicotinateclinical dataatc codec04ad04 (who) identifiers iupac name 2-(1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl pyridine-3-carboxylate cas number13425-39-3pubchem cid83435chemspider75285uniisn6d1v68dlcomptox dashboard (epa)dtxsid30158609 echa infocard100.033.208 chemical and physical dataformulac15h15n5o4molar mass329.316 g·mol−13d model (jsmol)interactive image smiles cn1c2c(c(=o)n(c1=o)c)n(cn2)ccoc(=o)c3cccnc3 inchi inchi=1s/c15h15n5o4/c1-18-12-11(13(21)19(2)15(18)23)20(9-17-12)6-7-24-14(22)10-4-3-5-16-8-10/h3-5,8-9h,6-7h2,1-2h3key:zwiaodbbezgvpy-uhfffaoysa-n (verify)