(S)-6-chloro-4-(2-cyclopropylvinyl)-4-(trifluoromethyl)-1H-benzo[d][1,3]oxazin-2(4H)-one; (E)-Dihydro Efavirenz; (4S)-6-Chloro-4-[(1E)-2-cyclopropylethenyl]-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-Benzoxazin-2-one; SR 695; USP Efavirenz Related Compound B; Efavirenz USP Related Compound B
