Type Substrate

201 - Oxooxetan
202 - Oxylipin
203 - p-nitroaniline
204 - Palmitate
205 - Peptide
206 - PET probe
207 - Phenalen
208 - Phenanthrene
209 - Phenothiazine
210 - Phenoxazin

231 - Polyhydroxyalkanoate
232 - Polyketide
233 - Polymer
234 - Polymethine
235 - Polyol
236 - Polyphenol
237 - Polysaccharide
238 - Polysorbate
239 - Polyurethane
240 - Pro-Drug