Photoresist Chemicals 2H-3,9a-Methano-1-benzoxepin-5,6,7-triol,octahydro-2,2,5a,9-tetramethyl-,(3R,5S,5aR,- 6R,7S,9R,9aS)- Cas：59812-47-4 Molecular Formula：2H-3,9a-Methano-1-benzoxepin-5,6,7-triol,octahydro-2,2,5a,9-tetramethyl-,(3R,5S,5aR,- 6R,7S,9R,9aS)-