Photoresist Chemicals TIANFUCHEM 57071-58-6 5,8-diamino-9-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2,4,9-triazabicyclo[4.3.0]nona-1,3,5,7-te Cas:57071-58-6 Molecular Formula:C12H16N6O4S