Acetone

Perylene-3,4:9,10-tetracarboxylic dianhydride (PTCDA, 98%), copper(i) iodide (CuI) (99.5%), 1,4-diethynylbenzene (DEB), and tetrakis(-triphenylphosphine) palladium (Pd(PPh₃)₄) were bought from Aladdin Chemistry Co. Ltd. p-Bromoaniline (99%) was purchased from J & K scientific Ltd. Bromine, 1,4-dioxane (DOX), acetonitrile (ACN), methanol, N,N-dimethylformamide (DMF, 99.0%), chloroform, ethanol (EtOH), tetrahydrofuran (THF) sodium hydrate, acetone, toluene, hydrochloric acid, diisopropylamine (DIA), o-NP, 4-nitrotoluene (p-NT), picric acid (PA), phenol (PhOH), dinitrotoluene (DNT), 1,3-dinitrobenzene (m-DNB), and 1,4-dinitrobenzene (p-DNB) were purchased commercially and used without further purification. N,N-Diphenyl-1,4,7,12-tetrabromoperylene-3,4:9,10-tetracarboxydiimide (PBr₄ABr₀) and N,N′-di(4-bromophenyl)-1,6,7,12-tetrabromoperylene-3,4:9,10-tetracarboxydiimide (PBr₄ABr₂) were synthesized in accordance with previous reports.^{23,24 (link)}

GO (98.0%) with a thickness of 0.7 ∼ 1.2 nm and sodium chloride (99.5%) were purchased from Yuanye Biological Reagent Co., Ltd. (Shanghai, China). Acrylamide (AM, 99.0%), ammonium persulfate (APS, 98.0%), N, N’-methylene bisAcrylamide (MBA, 98.0%), sodium hydroxide (NaOH, ≥ 96.0%), HPLC-grade dichloromethane (CH₂Cl₂, 99.9%), acetone (99.7%), ethyl acetate (99.9%), tetrachloromethane (CCl₄, 99.5%), hexane (99.7%), and HCl solution (36.0%∼38.0%) were obtained from J&K Scientific Ltd. (Beijing, China). FeCl₃·6H₂O (99.5%), FeCl₂·4H₂O (99.95%), and ammonium solution (≥25.0% in H₂O) were purchased from Aladdin Reagents Co., Ltd. (Shanghai, China). Ultrapure water was prepared through a Milli-Q system at 18.2 MΩ (Millipore, Bedford, MA).
The standards of ethyl pentanoate, ethyl hexanoate, propyl hexanoate, butyl hexanoate, ethyl octanoate, and hexyl hexanoate, with purities over 99%, were purchased from J&K Scientific Co., Ltd. (Beijing, China). ²H₅-Ethyl pentanoate (IS1, ≥ 95%) and ²H₅-propyl hexanoate (IS2, ≥ 95%) were used as isotope internal standards and obtained from Yuanye Biological Reagent Co., Ltd. (Shanghai, China). The stock standard solutions of each compound were prepared in ethanol and stored at 4 °C until analysis. A freshly prepared ethanol–water solution at 15% alcohol by volume (ABV) was used as a synthetic model of Baijiu.

Paclitaxel, SA, MIF, DXM, pyridine, Na₂CO₃, paraformaldehyde, FITC, DAPI, Triton X‐100, MTT, and D‐luciferin potassium salt were all purchased from Shanghai Macklin Biochemical Co., Ltd. All the solvents, including acetone, methanol, polyoxyethylene castor oil, ethanol, and DMSO were obtained from J&K Scientific Ltd, and used without further purification. DMEM, RPMI‐1640, FBS, and penicillin‐streptomycin solution were purchased from Gibco Life Technologies. MCF‐7, MDA‐MB‐231, and 4T1 cells were maintained in our laboratory.