Photoresist Chemicals 3-amino-9-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4,7,8,9-pentazabicyclo[4.3.0]nona-1,3,6-tri,cas:59886-03-2 Cas:59886-03-2 Molecular Formula:C9H12N6O4S