Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Proposed mass fragmentation pathway of compound 34. Tandem mass spectrometry (MS/MS) fragmentation shows prominent product ions (A) 34a-3, (B) 34b-2, and (C) 34c-1. π, ionization on π bond; i, inductive cleavage; i, rearrangement; H+, protonation; -H2O, dehydration.
