A PHP Error was encountered

Severity: Warning

Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests

Filename: helpers/my_audit_helper.php

Line Number: 176

Backtrace:

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url

File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML

File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global

File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword

File: /var/www/html/index.php
Line: 316
Function: require_once

1-(2-Pyrid-yl)-N,N'-dipyrimidin-2-ylmethane-diamine. | LitMetric

In the title compound, C(14)H(13)N(7), inter-molecular N-H⋯N and C-H⋯N hydrogen bonds link the mol-ecules into infinite one-dimensional chains along (100). A C-H⋯π inter-action also occurs in the crystal.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2959642PMC
http://dx.doi.org/10.1107/S1600536808032583DOI Listing

Publication Analysis

Top Keywords

1-2-pyrid-yl-nn'-dipyrimidin-2-ylmethane-diamine title
4
title compound
4
compound c14h13n7
4
c14h13n7 inter-molecular
4
inter-molecular n-h⋯n
4
n-h⋯n c-h⋯n
4
c-h⋯n hydrogen
4
hydrogen bonds
4
bonds link
4
link mol-ecules
4

Similar Publications

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!