5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobisindane, 97%
B22170.18 / 50g
CAS No.:77-08-7
5,5',6,6'-Tetrahydroxy-3,3,3',3'-tetramethyl-1,1'-spirobisindane, 97%
B22170.30 / 250g
CAS No.:77-08-7