12751-26-7 55584-71-9 8035-12-9 9011-02-3 Albocresil Albothyl Benzenesulfonic acid, hydroxymethyl-, polymer with formaldehyde (VAN) Lotagen Metacresol sulfonic acid polymer with formaldehyde Metacresol sulfonic acid polymer with methanal Negatan Negatol Novugen Polydihydroxydimethyldiphenylmethanedisulfonic acid Vagothyl