1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran [Photochromic Compound] 98%,T
T849341 / 5g
CAS:13433-31-3
1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran [Photochromic Compound] 98%,T
T849341 / 1g
CAS:13433-31-3