auxin molecular structure 3d, flat model, indole-3-acetic acid, structural chemical formula view from a microscope

auxin indole3acetic acid plant hormones plantgrowth regulators molecule molecular structure chemical formula model c10h9no2 atom chemistry compound hormone carbon oxygen science hydrogen education growth biochemistry illustration phytohormone toxic acetic biosynthesis herbicide iaa study atomic chain stimulant nitrogen catabolism herbicidal horticulture root structural herb fruit organic ethylene indole flat indole-3-acetic view from microscope microscope