Photoresist Chemicals TIANFU-CHEM CAS:68410-16-2 Distillates (petroleum), steam-cracked, polymers with light steam-cracked petroleum naphtha Cas:68410-16-2 Molecular Formula:TIANFU-CHEM CAS:68410-16-2 Distillates (petroleum), steam-cracked, polymers with light steam-cracked petroleum naphtha