chem 51a. organic chemistry. lec 01. (english) Published 5 years ago • 78K plays • Length 46:06 Download video MP4 Download video MP3 Similar videos 50:36 chem 51a 11/09/09 ch. 6. introduction to understanding organic reactions 14:18 o-level chemistry | 22 | intro to organic chem [1/2] 30:26 4a introduction to organic chemistry - edexcel ias chemistry (unit 1)