butenal,tetrahydro,pyran,2h-pyran,tetrahydro-2h-pyran,tetrahydro-2h-pyran-2-yl
2H-pyran
149003-69-0Propanamide,N,N'-[5-[[1-(5-acetyl-4-hydroxy-2,6-dioxo-2H-pyran-3(6H)-ylidene)ethyl]amino]-1,3-phenylene]bis[2,3-dihydroxy-,monopotassium salt, [S-(R*,R*)]-