4,N-二甲基-n-苯基苯磺酰胺

1,4,5,6,7,8-hexahydroisochromen-3-one

2-hydroxymethyl-2-cyclohexene-1-acetic acid δ-lactone

((3aR,7aR)-2-oxooctahydrobenzofuran-7a-yl)methyl 4-methylbenzenesulfonate