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-1 votes
1 answer
273 views

A question about thiamine [closed]

How does the the nitrogen of thiazole in thiamine acquire a positive charge without being stabilized by another negative charge or by being a salt of an anion?
mohamed's user avatar
  • 565
3 votes
1 answer
2k views

What is the effect of substituting oxygen with sulfur in drug molecules? [closed]

What sort of changes in the properties of organic or drug molecules can be anticipated if you substitute some or all of the oxygen atoms with sulfur atoms, and vice versa. My interest in this ...
DurgaDatta's user avatar