4-乙基-4-羟基-3,4,12,14-四氢-1H-吡喃并[3'4':6,7]吲哚嗪并[1,2-b]喹啉-3,14-二酮

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

Homocamptothein

(+/-)-20-deoxycamptothecin

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