Cannabis Sativa October 12, 2016October 12, 2016 thcscience_admin Subcategories This category has only the following subcategory. O Oxazine dyes (6 P) Pages in category "Azin dyes" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. B Basic Black 2M MauveineN Neutral red NigrosinP Perkin's mauve PhenazineS Safranin