(2021/04/12)
p. 187 - 194
(2012/07/13)succinic acid anhydride
diphenylamine
succinic acid
methyl 3-(diphenylaminocarbonyl)propionate
3α-[[[[4-(diphenylamino)-1,4-dioxobutyl]amino]acetyl]oxy]-12α-[[[[(diethylamino)thioxomethyl]thio]acetyl]oxy]-N,N-dioctyl-5β-cholan-24-amide
3α-[[[[4-(diphenylamino)-1,4-dioxobutyl]amino]acetyl]oxy]-12α-[[[[(diethylamino)thioxomethyl]thio]acetyl]oxy]-5β-cholane
1-diazo-5-(N,N-diphenylamino)pentane-2,5-dione