9-(2-Hydroxy-3-methylbutanoyl)-retronecine Formula:C13H21NO4 CAS#: MW:255.31 [MS] [ Kovats ] 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 9-(2-Hydroxy-3-methylbutanoyl)-retronecine in its chemical communication system Lepidoptera, Erebidae, Arctiinae Scearctia figulina Al �Category of the chemical signal A - Attractant Al - Allomone K - Kairomone P - Pheromone Sy - Synomone� �(*) indicates that compound is active� Pericopine moth Lepidoptera, Erebidae, Arctiinae, Arctiini Estigmene acrea Al �Category of the chemical signal A - Attractant Al - Allomone K - Kairomone P - Pheromone Sy - Synomone� �(*) indicates that compound is active� Saltmarsh caterpillar