# Search results of SQL query from the Crystallography Open Database
# Date and time performed: 2026-05-18T02:08:23+02:00
# Query:
# SELECT data.*
# FROM
#  data JOIN jaltnames
#  ON altname = journal
# WHERE
#  (status is null or status != 'retracted') and
#  (journal_id IN (SELECT DISTINCT(journal_id) FROM jaltnames WHERE altname LIKE 'Tetrahedron Letters') AND volume = 57 AND duplicateof IS NULL AND (status is NULL OR status != 'errors') AND (method is NULL OR method != 'theoretical'))
# ORDER BY file asc
file,a,siga,b,sigb,c,sigc,alpha,sigalpha,beta,sigbeta,gamma,siggamma,vol,sigvol,celltemp,sigcelltemp,diffrtemp,sigdiffrtemp,cellpressure,sigcellpressure,diffrpressure,sigdiffrpressure,thermalhist,pressurehist,compoundsource,nel,sg,sgHall,sgNumber,commonname,chemname,mineral,formula,calcformula,cellformula,Z,Zprime,acce_code,authors,title,journal,year,volume,issue,firstpage,lastpage,doi,method,radiation,wavelength,radType,radSymbol,Rall,Robs,Rref,wRall,wRobs,wRref,RFsqd,RI,gofall,gofobs,gofgt,gofref,duplicateof,optimal,status,flags,svnrevision,date,time,onhold
"1548452","13.0528","0.0003","8.3014","0.0002","14.8105","0.0004","90","","101.605","0.001","90","","1572.01","0.07","","","100","","","","","","","","","4","P 1 21 1","P 2yb","4","","","","- C30 H54 N4 O8 -","- C30 H42 N4 O8 -","- C60 H84 N8 O16 -","2","1","","Li-Na Liu; Jian-Qiang Ran; Li-Jun Li; Yu Zhao; Masuo Goto; Susan L. Morris-Natschke; Kuo-Hsiung Lee; Bao-Yu Zhao; Cheng-Jian Tan","Ochrocephalamine A, a new quinolizidine alkaloid from Oxytropis ochrocephala Bunge","Tetrahedron Letters","2016","57","","5047","5049","10.1016/j.tetlet.2016.10.009","","x-ray","1.54178","CuKα","","0.0542","0.0538","","","0.1398","0.1402","","","","","","3.704","","","","has coordinates","204221","2020-10-21","18:00:00",""