It’s only fair to share… Tegomil fumarate cas 1817769-42-8 dimethyl (2E,19E)-4,18-dioxo-5,8,11,14,17-pentaoxahenicosa-2,19-diene-1,21-dioate 4-O-[2-[2-[2-[2-[(E)-4-methoxy-4-oxobut-2-enoyl]oxyethoxy]ethoxy]ethoxy]ethyl] 1-O-methyl (E)-but-2-enedioate Chemical Formula: C18H26O11Exact Mass: 418.15Molecular Weight: 418.395Elemental Analysis: C, 51.67; H, 6.26; O, 42.06 MXD6KMG2ZP SCHEME Patent Ratiopharm GmbH, WO2015158817 PATENT WO2017108960 https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2017108960 Scheme 2: Synthesis of (E)-But-2-enedioic acid 2-(2-{2-[2-((E)-3-methoxycarbonyl- acryloyloxy)-ethoxy]-ethoxy}-ethoxy)-ethyl ester methyl ester Step 1: Synthesis of (Z)-But-2-enedioic acid mono-[2-(2-{2-[2-((Z)-3- …