21-(5-Formyl-1H-pyrrol-2-yl)-heneicosanenitrile Formula:C26H44N2O CAS#:705973-46-2 MW:400.64 [MS] Jmol._Canvas2D (Jmol) "jmolApplet0"[x] Dots surface: no dotsvanderWaals dots surfacesolvent-accessible surfaceSpacefill:spacefill offspacefill 20%spacefill 95%Wireframe:wireframe offwireframe onwireframe .15wireframe .25wireframe .5background ivorybackground whitebackground blackbackground yellowbackground salmonbackground palegreenbackground skyblueRed blue stereo on/offElement label on/off Species utilize 21-(5-Formyl-1H-pyrrol-2-yl)-heneicosanenitrile in its chemical communication system Poecilosclerida, Mycalidae Mycale cecilia P �Category of the chemical signal A - Attractant Al - Allomone K - Kairomone P - Pheromone Sy - Synomone� �(*) indicates that compound is active� Fouling sponge Mycale lissochela P �Category of the chemical signal A - Attractant Al - Allomone K - Kairomone P - Pheromone Sy - Synomone� �(*) indicates that compound is active� China sea sponge