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. 2020 Mar 5;19(1):585–595. doi: 10.1007/s40200-020-00501-8

Fig. 1.

Fig. 1

Structure A. Chromium chloride, structure B. chromium Picolinate, Structure C. phthalocyanine structure before joining of chromium to make chromium complex. After binding, chromium will stand at centre of the structure