E,E-4-[3,6-Di(3-oxo-3-pyrrolidino-1-propenyl)indol-1-ylmethyl]-3-methoxybenzoic acid 、
邻氯苯磺酰胺 以title compound was obtained (87%) as powder, mp 291°-293°的产率得到E,E-N-(2-Chlorophenylsulfonyl)-4-[3,6-di(3-oxo-3-pyrrolidino-1-propenyl)indol-1-ylmethyl]-3-methoxybenzamide