# Package index ## R6 Class definitions and methods - [`chent`](https://pkgdown.jrwb.de/chents/reference/chent.md) : An R6 class for chemical entities with associated data - [`pai`](https://pkgdown.jrwb.de/chents/reference/pai.md) : An R6 class for pesticidal active ingredients and associated data - [`ppp`](https://pkgdown.jrwb.de/chents/reference/ppp.md) : R6 class for a plant protection product with at least one active ingredient - [`draw_svg.chent()`](https://pkgdown.jrwb.de/chents/reference/draw_svg.chent.md) : Draw SVG graph from a chent object using RDKit - [`plot(`*``*`)`](https://pkgdown.jrwb.de/chents/reference/plot.chent.md) : Plot method for chent objects - [`print(`*``*`)`](https://pkgdown.jrwb.de/chents/reference/print.chent.md) : Printing method for chent objects - [`print(`*``*`)`](https://pkgdown.jrwb.de/chents/reference/print.pai.md) : Printing method for pai objects (pesticidal active ingredients) - [`print(`*``*`)`](https://pkgdown.jrwb.de/chents/reference/print.ppp.md) : Printing method for ppp objects (plant protection products)