(Tetrahydro-2-furanyl)methyl butanoate (Tetrahydro-2-furyl)methyl butyrate 2217-33-6 92345-48-7 Butanoic acid, (tetrahydro-2-furanyl)methyl ester Butyric acid, tetrahydrofurfuryl ester EINECS 218-710-6 FEMA No. 3057 Tetrahydro-2-furylmethyl butanoate Tetrahydrofurfuryl butyrate