17640-15-2 3-02-00-01587 (Beilstein Handbook Reference) BRN 1742994 Carbonocyanidic acid, methyl ester Cyanoformate methyl ester Cyklon A [Czech] EINECS 241-626-6 FORMIC ACID, CYANO-, METHYL ESTER Methyl cyanoformate Methylester kyseliny kyanmravenci [Czech]