3 4 Dimethyl 2 835011512

Tags: symbol icon structure organic simple biology chemical science oxygen chemistry research scientific carbon biochemistry compound nitrogen heterocycle anhydride carbon skeleton lab reagent maleic anhydride cyclic structure furan ring carbonyl compound five membered ring Oxygen heterocycle lab intermediate cyclic dione carbonyl ring dione group cyclic carbonyl furan core oxygen ring organic anhydride organic acid anhydride furandione 5 furandione 4 dimethyl 2