Synthesis Route for 110920-18-8

6066-82-6
N-Hydroxysuccini...
445-29-4
2-fluorobenzoic ...
~90%
110920-18-8
(2,5-dioxopyrrol...

Reference:

Sawayama; Tsukamoto; Sasagawa; Nishimura; Deguchi; Takeyama; Hosoki Chemical and Pharmaceutical Bulletin, 1990 , vol. 38, # 1 p. 110 - 115