上游原料
4-(methylsulfanyl)benzaldehyde; 4-(methylmercapto)benzaldehyde2-Propanone; Acetone; beta-ketopropane; chevron acetone;propan-2-one； Dimethyl formaldehyde; Dimethyl ketone; dimethylketal; Ketone propane; Methyl ketone; Propanone; Pyroacetic acid; Pyroacetic ether(E)-4-[4-(methylsulfanyl)phenyl]-3-buten-2-one(E)-4-[4-(methylsulfinyl)phenyl]-3-buten-2-one4-Hydroxycoumarine; 4-Hydroxy-2H-chromen-2-one; 4-hydroxy-2H-1-benzopyran-2-one; 4-oxocoumarin-3,4-dihydro-4-hydroxycoumarin; 4-hydroxy-2H-1-benzopyran-2-one
