1-isothiocyanatoferrocene

3β-chlorocarbonyloxy-androst-5-en-17-one

(E)-4-phenylbut-3-en-1-yl carbonochloridate

α-isocyanato-isobutyric acid ethyl ester

N,N'-bis-(9,10-dioxo-9,10-dihydro-[2]anthryl)-urea