18611-66-0 2877-93-2 5-19-03-00462 (Beilstein Handbook Reference) 62625-21-2 76-61-9 BRN 0368036 EINECS 200-973-3 NSC 11238 Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)- Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(5-methyl-2-(1-methylethyl)-, S,S-dioxide Thymol blue Thymol, 6,6'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide Thymolsulfonephalein Thymolsulfonephthalein Thymolsulfophthalein Thymolsulphonphthalein Thymosulfonphthalein