N-甲基吡咯烷酮 、 [4S-(4α,12aα)]-9-Amino-4,7-bis(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide sulfate 、
Chlorameisensaeure-2-diaethylamino-aethylester-hydrochlorid 在
碳酸氢钠 作用下,
生成 [7S-(7α,10aα)]-[9-(Aminocarbonyl)-4,7-bis(dimethylamino)-5,5a,6,6a,7,10,10a,12-octahydro-1,8,10a,11-tetrahydroxy-10,12-dioxo-2-naphthacenyl]carbamic acid (2-diethylamino) ethyl ester