Keywords: Methylecgonidine.png Structure of methylecgonidine own 2007-03-27 Meodipt Meodipt Original upload log page en wikipedia Methylecgonidine png 2007-03-27 11 22 Meodipt 153×108× 1402 bytes <nowiki>i drew this anyone can use it </nowiki> Alkyne derivatives Carboxylic acids Tropanes |