Heterocyclic studies. Part XXXVI. Mass spectra of 5H-pyrimido[4,5-b][1,4]thiazine-4,6(3H,7H)-diones

The file will be sent to you via the Telegram messenger. It may take up to 1-5 minutes before you receive it.

Note: Make sure you have linked your account to Z-Library Telegram bot.

The file will be sent to your Kindle account. It may take up to 1–5 minutes before you receive it.

Please note: you need to verify every book you want to send to your Kindle. Check your mailbox for the verification email from Amazon Kindle.