(+/-)-20-deoxycamptothecin

1-(4-methyl-2-oxy-furazan-3-carbonyl)-thiosemicarbazide

4-ethyl-4-hydroxymethyl-1,8-dihydro-4H-pyrano[4',3':7,8]indolizino[1,2-b]quinoline-3,6-dione

唐松草檗碱甲基醚

N-ethyl-N-(2-trimethylsilylethylsulfanylmethyl)ethanamine