英文别名
S-N-2-nitrophenyl-N'-(6-tert-butoxycarbonylamino-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-4-yl)urea;R/S-N-2-nitrophenyl-N'-(6-tert-butoxycarbonylamino-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-4-yl)urea;tert-butyl N-[2,2-dimethyl-4-[(2-nitrophenyl)carbamoylamino]-3,4-dihydrochromen-6-yl]carbamate