Intermediates
 

1,4-Butine Dialcohol

Alkynol Propyl

Allyl Sodium Sulfoacid

Benezene Sodium Sulfinic Acid

Butine Dialcohol Oxyethaltion

Diethylamine Propiolic Ammonium

Ethoxyl Thiuronium

Ethyl Sulphate

Propine Alcohol

Propine Onium Salt

Propine Sodium Sulfoacid

Propiolic Alcohol Oxyethaltion

Propiolic Alcohol Oxypropylation

Pyridinium Salt

Thiamine Pyrophosphate (TPP)