1-Fenyl-2-methyl-3-butin-1,2-diol [Czech] 2-METHYL-1-PHENYL-3-BUTYNE-1,2-DIOL 2033-94-5 3,4-Dihydroxy-3-methyl-4-phenyl-1-butyne 3-Butyne-1,2-diol, 2-methyl-1-phenyl- 3-Methyl-3,4-dihydroxy-4-phenyl-1-butyne 3-Methyl-3,4-dihydroxy-4-phenyl-butin-1 [German] 3-Methyl-4-phenyl-1-butyne-3,4-diol BRN 1909980 Centalun KO 339 KOE 339