Raws li ib qho ntawm cov kws tshaj lij 2 pyrrolidone tuam ntxhab thiab cov muag khoom hauv Suav teb, peb tau tshwj xeeb los ntawm cov khoom zoo thiab cov kev pabcuam zoo. Thov so assured mus yuav bulk 2 pyrrolidone ntawm tus nqi qis los ntawm peb lub hoobkas. Tiv tauj peb rau kev hais lus thiab qauv dawb.
