3764
The safety and efficacy of combination N - butyl - deoxynojirimycin ( SC - 48334 ) and zidovudine in patients with HIV - 1 infection and 200 - 500 CD4 cells / mm3 .
 Chemical: N - butyl - deoxynojirimycin; Chemical: SC - 48334; Chemical: zidovudine; Disease: HIV - 1 infection
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: N - butyl - deoxynojirimycin; Chemical: SC - 48334; Chemical: zidovudine; Disease: HIV - 1 infection