LT-N138
CAS No. 515834-67-0
2,2',7,7'-Tetra(N,N-di-p-tolyl)amino-9,9-spirobifluorene; Spiro-TTB
SPIRO-TTB;2,2',7,7'-四(二-对甲苯基氨基)螺-9,9'-二芴
Polysorbate 8 9009-51-2
Hydroxylase 9037-29-0