corrin

Noun

 * 1)  A molecular species that contains four reduced pyrrole rings joined in a macrocycle by three -CH= groups and one direct bond; central to the cobalt-containing vitamin cobalamin.

Translations

 * Chinese:
 * Cantonese: 咕啉
 * Mandarin: 咕啉
 * French:
 * Japanese: コリン
 * Korean: 코린