A.甾生物堿 B.螺甾生物堿 C.三萜類 D.二萜類 E.單萜類
A.KOH B.NaOH C.NH4OH D.Ca(OH)2 E.NaHCO3
A.溶于NH4OH B.溶于Na2CO3 C.溶于NaOH D.溶于NaHCO3 E.以上都難溶