4-methylbenzenesulfonic acid,N-methylcyclohexanamine

对甲苯磺酸盐二溴苯基碘

4-(chloromethyl)-2-nonyl-1,3-dioxolane

胍4-甲基苯磺酸酯(1:1)

(4-amino-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl)methanol,4-methylbenzenesulfonic acid