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. 2014 Dec 10;9(12):e112769. doi: 10.1371/journal.pone.0112769

Figure 1. Image of A) N. nimmoniana plant and chemical structure of B) Camptothecine extracted from wood of N. nimmoniana C) Irinotecan and D) Topotecan, two clinically used drugs synthesized from Camptothecine as a precursor.

Figure 1