Organic Chemistry Sites
How to work up in synthetic organic chemistry: http://www.chem.rochester.edu/notvoodoo/?page=home
How to prepare organic reaction: http://www.orgsyn.org
Periodic table of elements: https://www.webelements.com
Total organic synthesis lists: http://chemistrybydesign.oia.arizona.edu/
Chem 605 – Structure Determination Using Spectroscopic Methods: https://www.chem.wisc.edu/areas/reich/chem605/index.htm
Organic spectroscopy problems: https://www.chem.uci.edu/~jsnowick/organicspectroscopy/index.html
Discussion about technique and total organic synthesis: http://curlyarrow.blogspot.com/
Organic chemistry portal: https://www.organic-chemistry.org/
Chemical Database Online
NMR Spectroscopy
NMR Prediction and Simulator
Organic Chemistry Courses
Stereochemistry and Mass Spectrometry by Professor Dr. Yana Maolana Syah
MS fragmentation (Elvira)