21709-30-8 4-ISOXAZOLECARBOXYLIC ACID, 5-METHYL-3-(5-NITRO-2-FURYL)-, 2-(DIETHYLAMINO)-1-ME 4-Isoxazolecarboxylic acid, 5-methyl-3-(5-nitro-2-furyl)-, 2-(diethylamino)-1-methylethyl ester 5-Methyl-3-(5-nitro-2-furyl)-4-isoxazolecarboxylic acid 2-(diethylamino)-1-methylethyl ester