5,5',5'',5'''-(Ethene-1,1,2,2-tetrayl)tetrakis(2-hydroxybenzaldehyde) 97%
B887162 / 1G
CAS:2036328-15-9
5,5',5'',5'''-(Ethene-1,1,2,2-tetrayl)tetrakis(2-hydroxybenzaldehyde) 97%
B887162 / 250MG
CAS:2036328-15-9