Photoresist Chemicals TIANFUCHEM–58909-56-1–(6R-trans)-7-amino-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid factory price Cas:58909-56-1 Molecular Formula:C12H13 N5 O5 S2