2-Propenoic acid, 2-cyano-, butyl ester 25154-80-7 6606-65-1 Butyl 2-cyano-2-propenoate Butyl 2-cyanoacrylate EINECS 229-552-2 ENBUCRILATE Enbucrilate [BAN:INN] Enbucrilato [INN-Spanish] Enbucrilatum [INN-Latin]