Photoresist Chemicals 7H-Furo[3,2-f][1]benzopyran, 8,9-dihydro-2-(methoxymethyl)-4,5,7-trimethyl-7-[(4R,8R)-4,8,12-trimeth yltridecyl]-, (7R)- Cas：615557-02-3 Molecular Formula：C32H52O3