1-ethyl-3,6,8-trimethyl-2,7-naphthyridine 2,7-naphthyridine, 1-ethyl-3,6,8-trimethyl- InChI=1/C13H16N2/c1-5-12-13-10(4)14-8(2)6-11(13)7-9(3)15-12/h6-7H,5H2,1-4H