Type Substrate

211 - pNP
212 - Poly-ethylene-glycol
213 - Polyester
214 - Polyester fragment
215 - Polyhydroxyalkanoate
216 - Polyketide
217 - Polymer
218 - Polymethine
219 - Polyol
220 - Polyphenol

231 - Pyrethroid
232 - Pyridine
233 - Pyrimidine
234 - Pyrrolidine
235 - Quinoline
236 - Retinol ester
237 - Rhodamine derivative
238 - Ribose
239 - Ring opening polymerization substrate
240 - Salicylic