(3E)-2,6-diamino-2-methylhept-3-enedioic acid 3-heptenedioic acid, 2,6-diamino-2-methyl-, (3E)- InChI=1/C8H14N2O4/c1-8(10,7(13)14)4-2-3-5(9)6(11)12/h2,4-5H,3,9-10H2,1H3,(H,11,12)(H,13,14)/b4-2