Synonyms: 1-(2-chloroethyl)-3-[(3|A,5|A)-cholestan-3-yl]-1-nitrosourea;NSC95440;AC1L66RA;KST-1B0399;AR-1B0608;NSC-95440;1-(2-chloroethyl)-3-[(3R,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]-1-nitrosourea