2-(Tricyanovinyl)-1-benzylpyrrole 73927-55-6 Ethenetricarbonitrile, (1-benzyl-2-pyrrolyl)- Ethenetricarbonitrile, [1-(phenylmethyl)-1H-pyrrol-2-yl]- NSC191894 WLN: T5NJ A1R& BYCN&UYCN&CN