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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Some new spiro Lactam and thiazolidinone derivatives were prepared from the reaction of new heterocyclic compound with different aromatic amine to give Schiff bases followed by cycloaddition reaction with chloroacetyl chloride and/or mercaptoacetic acid to give spiro Lactam derivatives and spiro thiazolidinone. Also Isolated Lactam and Isolated thiazolidinone were prepared by the reaction of Schiff bases with chloroacetyl chloride and/or mercaptoacetic acid, pyrazolo. Isoxazolo, pyrimidino, pyrimidin thiono Incorporating thieno pyrimidine has been synthesized by cyclocondensation addition reaction of hydrazine hydrate, phenyl hydrazine, hydroxylamine hydrochloride, urea and thiourea
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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