42207-95-4 MB 2 MB-2 N-((4-Amino-2-methyl-5-pyrimidinyl)methyl)-N-(4-hydroxy-2-((3-(4-methoxyphenyl)-3-oxopropyl)thio)-1-methyl-1-butenyl)formamide, monohydrochloride S-(beta-p-Methoxypropiophenone)thiamine