Photoresist Chemicals 2H-Indol-2-one,1,3-dihydro-3-(1- oxonaphtho[2,1-b]thien-2(1H)-ylidene)- Cas：5839-63-4 Molecular Formula：2H-Indol-2-one,1,3-dihydro-3-(1- oxonaphtho[2,1-b]thien-2(1H)-ylidene)-