Section 35-48-1-17.4 - "Isomer"(a) Except as provided in subsections (b) and (c), "isomer" means an optical isomer.(b) "Isomer", as used in IC 35-48-2-4(d), means an optical, positional, or geometric isomer.(c) "Isomer", as used in section 7 of this chapter, means an optical or geometric isomer.Added by P.L. 61-2020,SEC. 3, eff. 7/1/2020.