3047665 MPAO maize polyamine oxidase 5 3047666 MPAO maize PAO 3 3047662 MPAO methylphloracetophenone oxidase 1 3047664 MPAO methylphosphonate analogs of oligodeoxyribonucleotides 1 3047663 MPAO mono-N-protected aminomethyl oxazoline 1 3047661 MPAO multi-pupil adaptive optics 1 3047660 MPAO multipotent antioxidant 1