4-((5-((1-(4'-(Hexadecyloxy)-3,6-dihydroxy-5-methyl(1,1'-biphenyl)-2-yl)ethyl)sulphonyl)-2-methoxyphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 84304-19-8 EINECS 282-705-5